US Bridges

Inlet Canal Road over Crow Creek Wasteway

Fair

Butte County, South Dakota · 1.7 MI NE Belle Fourche · Structure no. 10-112-356

Built
1907
118 years old, rebuilt 1996
Condition
Fair
inspected September 2023
Type
Tee Beam
Prestressed Concrete
Length
72 ft
1 main span
Daily traffic
1
2017 count
Owner
Federal
Bureau of Reclamation

About this bridge

Inlet Canal Road over Crow Creek Wasteway is a prestressed concrete tee beam carrying Inlet Canal Road over Crow Creek Wasteway in Butte County, South Dakota. It was built in 1907 and reconstructed in 1996, so it is 118 years old, older than the South Dakota average of 48.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1 vehicles a day, projected to reach 1 by 2044. The structure is 72 ft (21.8 m) long and 18 ft wide. If it were closed, the detour would be 198.8 mi (320 km).

Location

Open in Google Maps
CarriesInlet Canal Road
CrossesCrow Creek Wasteway
Location1.7 MI NE Belle Fourche
RouteFederal Lands Road 0
CountyButte County
StateSouth Dakota
Coordinates44.69823, -103.82797
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating30.8 US tons
Inventory rating23.9 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length72 ft (21.8 m)
Longest span70 ft (21.3 m)
Deck width18 ft (5.5 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1 (2017)
Projected traffic1 by 2044
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed198.8 mi (320 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Reclamation
Maintained byOther Local Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Inlet Canal Road over Crow Creek Wasteway built?

It was built in 1907, making it 118 years old in 2025. It was reconstructed in 1996.

What condition is Inlet Canal Road over Crow Creek Wasteway in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.

How much traffic does Inlet Canal Road over Crow Creek Wasteway carry?

About 1 vehicles per day (2017 count).

How long is Inlet Canal Road over Crow Creek Wasteway?

The structure is 72 ft (21.8 m) long with a longest span of 70 ft (21.3 m) and a deck 18 ft wide.

Who owns Inlet Canal Road over Crow Creek Wasteway?

It is owned by the Bureau of Reclamation and maintained by the Other Local Agency.