US Bridges

27070 392 Ave over Choteau Ck

FairPosted for load

Douglas County, South Dakota · 2.3N & 3E of Corsica · Structure no. 000000022180027

Built
1978
47 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
25
2022 count
Owner
County
County Highway Agency

About this bridge

27070 392 Ave over Choteau Ck is a prestressed concrete tee beam carrying 27070 392 Ave over Choteau Ck in Douglas County, South Dakota. It was built in 1978, so it is 47 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 25 vehicles a day, roughly 2% of them trucks, projected to reach 25 by 2032. The structure is 28 ft (8.5 m) long and 15 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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Carries27070 392 Ave
CrossesChoteau Ck
Location2.3N & 3E of Corsica
RouteCounty Highway 0
CountyDouglas County
StateSouth Dakota
Coordinates43.46088, -98.3516
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.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating25 US tons
Inventory rating18 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span26 ft (7.9 m)
Deck width15 ft (4.7 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2022)
Projected traffic25 by 2032
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$25,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 27070 392 Ave over Choteau Ck built?

It was built in 1978, making it 47 years old in 2025.

What condition is 27070 392 Ave over Choteau Ck 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 August 2023.

How much traffic does 27070 392 Ave over Choteau Ck carry?

About 25 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 27070 392 Ave over Choteau Ck?

The structure is 28 ft (8.5 m) long with a longest span of 26 ft (7.9 m) and a deck 15 ft wide.

Who owns 27070 392 Ave over Choteau Ck?

It is owned by the County Highway Agency.