Home/CFR/Title 33/Part 117
FEDERAL · 33 CFR

Part 117 — Drawbridge Operation Regulations

424 sections · Title 33: Navigation and Navigable Waters

§ 117.1Purpose.
§ 117.4Definitions.
§ 117.5When the drawbridge must open.
§ 117.7General requirements of drawbridge owners.
§ 117.8Permanent changes to drawbridge operation.
§ 117.9Delaying opening of a draw.
§ 117.11Unnecessary opening of the draw.
§ 117.15Signals.
§ 117.17Signalling for contiguous drawbridges.
§ 117.19Signalling when two or more vessels are approaching a drawbridge.
§ 117.21Signalling for an opened drawbridge.
§ 117.23Installation of radiotelephones.
§ 117.24Radiotelephone installation identification.
§ 117.31Drawbridge operations for emergency vehicles and emergency vessels.
§ 117.33Closure of draw for natural disasters or civil disorders.
§ 117.35Temporary change to a drawbridge operating schedule.
§ 117.36Closure of drawbridge for emergency repair.
§ 117.39Authorized closure of drawbridge due to infrequent requests for openings.
§ 117.40Advance notice for drawbridge opening.
§ 117.41Maintaining drawbridges in the fully open position.
§ 117.42Remotely operated and automated drawbridges.
§ 117.47Clearance gauges.
§ 117.49Process of violations.
§ 117.51General.
§ 117.55Posting of requirements.
§ 117.59Special requirements due to hazards.
§ 117.101Alabama River.
§ 117.103Bayou La Batre.
§ 117.105Bayou Sara.
§ 117.106Black Warrior River.
§ 117.107Chattahoochee River.
§ 117.109Coosa River.
§ 117.111Mobile River.
§ 117.113Tensaw River.
§ 117.118Tombigbee River.
§ 117.123Arkansas Waterway.
§ 117.125Black River.
§ 117.129Little Red River.
§ 117.131Little River.
§ 117.133Ouachita River.
§ 117.135Red River.
§ 117.139White River.
§ 117.140General.
§ 117.141American River.
§ 117.143Bishop Cut.
§ 117.147Cerritos Channel.
§ 117.149China Basin, Mission Creek.
§ 117.150Connection Slough.
§ 117.151Cordelia Slough (a tributary of Suisun Bay).
§ 117.153Corte Madera Creek.
§ 117.155Eureka Slough.
§ 117.157Georgiana Slough.
§ 117.159Grant Line Canal.
§ 117.161Honker Cut.
§ 117.162THonker Cut.
§ 117.163Islais Creek (Channel).
§ 117.165Lindsey Slough.
§ 117.167Little Potato Slough.
§ 117.169Mare Island Strait and the Napa River.
§ 117.171Middle River.
§ 117.173Miner Slough.
§ 117.175Mokelumne River.
§ 117.177Mud Slough.
§ 117.179Newark Slough.
§ 117.181Oakland Inner Harbor Tidal Canal.
§ 117.183Old River.
§ 117.185Pacheco Creek.
§ 117.187Petaluma River.
§ 117.189Sacramento River.
§ 117.191San Joaquin River.
§ 117.193San Leandro Bay.
§ 117.195Snodgrass Slough.
§ 117.197Sonoma Creek.
§ 117.199Steamboat Slough.
§ 117.201Sutter Slough.
§ 117.202Cold Spring Brook.
§ 117.205Connecticut River.
§ 117.207Housatonic River.
§ 117.209Mianus River.
§ 117.211Mystic River.
§ 117.213New Haven Harbor, Quinnipiac and Mill Rivers.
§ 117.215Niantic River.
§ 117.217Norwalk River.
§ 117.219Pequonnock River.
§ 117.221Saugatuck River.
§ 117.223Shaw Cove.
§ 117.224Thames River.
§ 117.225Yellow Mill Channel.
§ 117.231Brandywine Creek.
§ 117.233Broad Creek.
§ 117.234Cedar Creek.
§ 117.235Chesapeake and Delaware Canal.
§ 117.237Christina River.
§ 117.239Lewes and Rehoboth Canal.
§ 117.241Mispillion River.
§ 117.243Nanticoke River.
§ 117.245Smyrna River.
§ 117.253Anacostia River.
§ 117.255Potomac River.
§ 117.258Apalachicola River.
§ 117.261Atlantic Intracoastal Waterway from St. Marys River to Key Largo.
§ 117.263Banana River.
§ 117.267Big Carlos Pass.
§ 117.268Billy's Creek.
§ 117.269Biscayne Bay.
§ 117.271Blackwater River.
§ 117.273Canaveral Barge Canal.
§ 117.279Coffeepot Bayou.
§ 117.283Dunns Creek.
§ 117.285Grand Canal.
§ 117.287Gulf Intracoastal Waterway.
§ 117.289Hillsboro Inlet.
§ 117.291Hillsborough River.
§ 117.293Indian Creek.
§ 117.297Little Manatee River.
§ 117.299Loxahatchee River.
§ 117.300Manatee River.
§ 117.301Massalina Bayou.
§ 117.303Matlacha Pass.
§ 117.304Miami Beach Channel.
§ 117.305Miami River.
§ 117.307Miami River, North Fork.
§ 117.307TMiami River, North Fork.
§ 117.311New Pass.
§ 117.313New River.
§ 117.317Okeechobee Waterway.
§ 117.319Oklawaha River.
§ 117.323Outer Clam Bay.
§ 117.324Rice Creek.
§ 117.325St. Johns River.
§ 117.329St. Marys River.
§ 117.331Snake Creek.
§ 117.335Taylor Creek.
§ 117.337Trout River.
§ 117.341Whitcomb Bayou.
§ 117.351Altamaha River.
§ 117.359Chattahoochee River.
§ 117.361Flint River.
§ 117.363Ocmulgee River.
§ 117.371Savannah River.
§ 117.373St. Marys River.
§ 117.381Clearwater River.
§ 117.383Pend Oreille River.
§ 117.385Snake River.
§ 117.391Chicago River.
§ 117.393Illinois Waterway.
§ 117.397Wabash River.
§ 117.400Indiana Harbor Canal.
§ 117.401Trail Creek.
§ 117.403Wabash River.
§ 117.407Missouri River.
§ 117.411Missouri River.
§ 117.415Green River.
§ 117.417Ohio River.
§ 117.422Amite River.
§ 117.423Atchafalaya River.
§ 117.424Belle River.
§ 117.425Black Bayou.
§ 117.429Boeuf Bayou.
§ 117.433Bonfouca Bayou.
§ 117.434Caddo Lake.
§ 117.435Carlin Bayou.
§ 117.436Chef Menteur Pass.
§ 117.438Colyell Bayou.
§ 117.439Company Canal.
§ 117.440Des Allemands Bayou.
§ 117.441D'Inde Bayou.
§ 117.443Du Large Bayou.
§ 117.444Falgout Canal.
§ 117.445Franklin Canal.
§ 117.449Grosse Tete Bayou.
§ 117.451Gulf Intracoastal Waterway.
§ 117.453Houma Canal.
§ 117.455Houma Navigation Canal.
§ 117.457Houston River.
§ 117.458Inner Harbor Navigation Canal, New Orleans.
§ 117.459Kelso Bayou.
§ 117.460La Carpe Bayou.
§ 117.461Lacassine Bayou.
§ 117.463Lacombe Bayou.
§ 117.465Lafourche Bayou.
§ 117.467Lake Pontchartrain.
§ 117.469Liberty Bayou.
§ 117.475Little (Petit) Caillou Bayou.
§ 117.477Lower Atchafalaya River.
§ 117.478Lower Grand River.
§ 117.480Mermentau River.
§ 117.481Milhomme Bayou.
§ 117.484Pass Manchac.
§ 117.486Pearl River.
§ 117.487Pierre Pass.
§ 117.488Plaquemine Bayou.
§ 117.489Plaquemine Brule Bayou.
§ 117.491Red River.
§ 117.493Sabine River.
§ 117.494Schooner Bayou Canal.
§ 117.497Stumpy Bayou.
§ 117.500Tchefuncta River.
§ 117.501Teche Bayou.
§ 117.503Tensas River.
§ 117.505Terrebonne Bayou.
§ 117.507Tigre Bayou.
§ 117.509Vermilion River.
§ 117.511West Pearl River.
§ 117.523Back River.
§ 117.525Kennebec River.
§ 117.531Piscataqua River.
§ 117.533Sheepscot River.
§ 117.537Townsend Gut.
§ 117.543Bear Creek.
§ 117.547Bush River.
§ 117.549Cambridge Harbor.
§ 117.551Chester River.
§ 117.553Choptank River.
§ 117.557Curtis Creek.
§ 117.559Isle of Wight (Sinepuxent) Bay.
§ 117.561Kent Island Narrows.
§ 117.563Marshyhope Creek.
§ 117.565Miles River.
§ 117.566Patapsco River—Middle Branch.
§ 117.567Patuxent River.
§ 117.569Pocomoke River.
§ 117.570Sassafras River.
§ 117.571Spa Creek.
§ 117.573Stoney Creek.
§ 117.575Susquehanna River.
§ 117.577Weems Creek.
§ 117.579Wicomico River (North Prong).
§ 117.585Acushnet River.
§ 117.586Annisquam River and Blynman Canal.
§ 117.587Apponagansett River.
§ 117.588Bass River.
§ 117.589Cape Cod Canal.
§ 117.591Charles River and its tributaries.
§ 117.593Chelsea River.
§ 117.595Danvers River.
§ 117.597Dorchester Bay.
§ 117.598Eel Pond Channel.
§ 117.600Lagoon Pond.
§ 117.603Manchester Harbor.
§ 117.605Merrimack River.
§ 117.607Mitchell River.
§ 117.609Mystic River.
§ 117.611Neponset River.
§ 117.615Plum Island River.
§ 117.618Saugus River.
§ 117.619Taunton River.
§ 117.620Westport River—East Branch.
§ 117.621West Bay.
§ 117.622Weymouth Fore River.
§ 117.624Black River (South Haven).
§ 117.625Black River (Port Huron).
§ 117.627Cheboygan River.
§ 117.631Detroit River (Trenton Channel).
§ 117.633Grand River.
§ 117.635Keweenaw Waterway.
§ 117.637Manistee River.
§ 117.641Pine River (Charlevoix).
§ 117.643Pine River (St. Clair).
§ 117.645River Rouge.
§ 117.647Saginaw River.
§ 117.651St. Joseph River.
§ 117.653St. Mary's Falls Canal.
§ 117.655Thunder Bay River.
§ 117.661Duluth Ship Canal (Duluth-Superior Harbor).
§ 117.664Rainy River, Rainy Lake and their tributaries.
§ 117.665Red River of the North.
§ 117.667St. Croix River.
§ 117.669St. Louis River (Duluth-Superior Harbor).
§ 117.671Upper Mississippi River.
§ 117.675Back Bay of Biloxi.
§ 117.681Old Fort Bayou.
§ 117.683Pearl River.
§ 117.684Bayou Portage.
§ 117.685Tchoutacabouffa River.
§ 117.686Yazoo River.
§ 117.687Missouri River.
§ 117.691Missouri River.
§ 117.697Hampton River.
§ 117.699Little Harbor.
§ 117.700Piscataqua River.
§ 117.701Alloway Creek.
§ 117.702Arthur Kill.
§ 117.705Beaver Dam Creek.
§ 117.709Cheesequake Creek.
§ 117.714Corson Inlet.
§ 117.716Delaware River.
§ 117.718Elizabeth River.
§ 117.719Glimmer Glass (Debbie's Creek).
§ 117.720Great Channel.
§ 117.721Grassy Sound Channel.
§ 117.723Hackensack River.
§ 117.729Mantua Creek.
§ 117.731Mullica River.
§ 117.733New Jersey Intracoastal Waterway.
§ 117.734Navesink River (Swimming River).
§ 117.735Newark Bay.
§ 117.736Oceanport Creek.
§ 117.737Oldmans Creek.
§ 117.739Passaic River.
§ 117.741Raccoon Creek.
§ 117.743Rahway River.
§ 117.745Rancocas Creek.
§ 117.747Raritan River.
§ 117.750Schellenger Creek.
§ 117.751Shark River (South Channel).
§ 117.755Shrewsbury River.
§ 117.756South River.
§ 117.757Townsend Inlet.
§ 117.759Wading River.
§ 117.769Black Rock Canal.
§ 117.771Bronx River.
§ 117.773Buffalo River.
§ 117.781East River.
§ 117.785Genesee River.
§ 117.787Gowanus Canal.
§ 117.789Harlem River.
§ 117.791Hudson River.
§ 117.793Hutchinson River (Eastchester Creek).
§ 117.795Jamaica Bay and Connecting Waterways.
§ 117.797Lake Champlain.
§ 117.799Long Island, New York Inland Waterway from East Rockaway Inlet to Shinnecock Canal.
§ 117.800Mill Neck Creek.
§ 117.801Newtown Creek, Dutch Kills, English Kills and their tributaries.
§ 117.802New Rochelle Harbor.
§ 117.803Niagara River.
§ 117.813§ 117.813 [Reserved]
§ 117.815Westchester Creek.
§ 117.820Atlantic Intracoastal Waterway (Alternate Route), Great Dismal Swamp Canal.
§ 117.821Atlantic Intracoastal Waterway, Albermarle Sound to Sunset Beach.
§ 117.822Cape Fear River.
§ 117.825Newport River.
§ 117.829Northeast Cape Fear River.
§ 117.831Pamlico and Tar Rivers.
§ 117.833Pasquotank River.
§ 117.835Perquimans River.
§ 117.843Trent River.
§ 117.847Ashtabula River.
§ 117.848Cleveland Harbor.
§ 117.849Muskingum River (Zanesville Canal).
§ 117.850Black River.
§ 117.851Portage River.
§ 117.853Sandusky Bay.
§ 117.855Maumee River.
§ 117.861Blind Slough.
§ 117.865Clatskanie River.
§ 117.869Columbia River.
§ 117.871Coos Bay.
§ 117.873Coos River.
§ 117.875Coquille River.
§ 117.879Isthmus Slough.
§ 117.881John Day River.
§ 117.887Oregon Slough (North Portland Harbor).
§ 117.889Siuslaw River.
§ 117.892South Slough.
§ 117.893Umpqua River.
§ 117.895Wallooskee River.
§ 117.897Willamette River.
§ 117.899Youngs Bay and Lewis and Clark River.
§ 117.901Chester Creek.
§ 117.903Darby Creek.
§ 117.904Delaware River.
§ 117.905Schuylkill River.
§ 117.911Atlantic Intracoastal Waterway, Little River to Savannah River.
§ 117.913Ashepoo River.
§ 117.915Ashley River.
§ 117.923Congaree River.
§ 117.925Cooper River.
§ 117.929Durham Creek.
§ 117.936Savannah River.
§ 117.938Waccamaw River.
§ 117.941Missouri River.
§ 117.943Cumberland River.
§ 117.949Tennessee River.
§ 117.951Arroyo Colorado River.
§ 117.953Brazos River (Diversion Channel).
§ 117.955Buffalo Bayou.
§ 117.959Chocolate Bayou.
§ 117.965Cow Bayou.
§ 117.966Galveston Channel.
§ 117.967Greens Bayou.
§ 117.968Gulf Intracoastal Waterway.
§ 117.971Neches River.
§ 117.975Old Brazos River.
§ 117.981Sabine River.
§ 117.984San Bernard River.
§ 117.988Taylor Bayou Outfall Canal (Joint Outfall Canal (JOC)).
§ 117.989Trinity River.
§ 117.991Victoria Barge Canal.
§ 117.993Lake Champlain.
§ 117.995Appomattox River.
§ 117.997Atlantic Intracoastal Waterway, South Branch of the Elizabeth River to the Albermarle and Chesapeake Canal.
§ 117.1005Chincoteague Channel.
§ 117.1007Elizabeth River—Eastern Branch.
§ 117.1021North Landing River.
§ 117.1023Pamunkey River.
§ 117.1025York River.
§ 117.1029Chambers Bay.
§ 117.1031Chehalis River.
§ 117.1035Columbia River.
§ 117.1037Cowlitz River.
§ 117.1041Duwamish Waterway.
§ 117.1045Hood Canal.
§ 117.1047Hoquiam River.
§ 117.1051Lake Washington Ship Canal.
§ 117.1053Lewis River.
§ 117.1055Skagit River.
§ 117.1058Snake River.
§ 117.1059Snohomish River, Steamboat Slough, and Ebey Slough.
§ 117.1061Tacoma Harbor.
§ 117.1063Willapa River South Fork.
§ 117.1065Wishkah River.
§ 117.1081Black River.
§ 117.1083Duluth-Superior Harbor (St. Louis River).
§ 117.1087Fox River.
§ 117.1089Manitowoc River.
§ 117.1091Menomonee River.
§ 117.1093Milwaukee, Menomonee, and Kinnickinnic Rivers and South Menomonee and Burnham Canals.
§ 117.1095Root River.
§ 117.1097Sheboygan River.
§ 117.1099St. Croix River.
§ 117.1101Sturgeon Bay.
§ 117.1103Upper Mississippi River.
§ 117.1107Wolf River.