US Bridges

127th Street over Crow Creek Ditch

Fair

Brown County, South Dakota · 1.1E of Tacoma Park · Structure no. 000000007241270

Built
2014
11 years old
Condition
Fair
inspected September 2023
Type
Tee Beam
Prestressed Concrete
Length
90 ft
2 main spans
Daily traffic
283
2022 count
Owner
County
County Highway Agency

About this bridge

127th Street over Crow Creek Ditch is a prestressed concrete tee beam carrying 127th Street over Crow Creek Ditch in Brown County, South Dakota. It was built in 2014, so it is 11 years old, younger 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 283 vehicles a day, roughly 3% of them trucks, projected to reach 283 by 2032. The structure is 90 ft (27.4 m) long and 36 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Carries127th Street
CrossesCrow Creek Ditch
Location1.1E of Tacoma Park
RouteCounty Highway 6426
Coordinates45.54522, -98.2261
Functional classRural Major Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20 + Mod
Structure length90 ft (27.4 m)
Longest span41 ft (12.6 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic283 (2022)
Projected traffic283 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway 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 127th Street over Crow Creek Ditch built?

It was built in 2014, making it 11 years old in 2025.

What condition is 127th Street over Crow Creek Ditch 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 127th Street over Crow Creek Ditch carry?

About 283 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 127th Street over Crow Creek Ditch?

The structure is 90 ft (27.4 m) long with a longest span of 41 ft (12.6 m) and a deck 36 ft wide.

Who owns 127th Street over Crow Creek Ditch?

It is owned by the County Highway Agency.