US Bridges

38850 274 ST over Andes Ck

Fair

Douglas County, South Dakota · 1.0S & 0.5W of Corsica · Structure no. 000000022145060

Built
1991
34 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete
Length
26 ft
1 main span
Daily traffic
30
2022 count
Owner
County
County Highway Agency

About this bridge

38850 274 ST over Andes Ck is a concrete tee beam carrying 38850 274 ST over Andes Ck in Douglas County, South Dakota. It was built in 1991, so it is 34 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 30 vehicles a day, roughly 2% of them trucks, projected to reach 30 by 2032. The structure is 26 ft (7.8 m) long and 29 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Carries38850 274 ST
CrossesAndes Ck
Location1.0S & 0.5W of Corsica
RouteCounty Highway 0
Coordinates43.41401, -98.41962
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 protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length26 ft (7.8 m)
Longest span24 ft (7.3 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2022)
Projected traffic30 by 2032
Trucks2%
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$25,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 38850 274 ST over Andes Ck built?

It was built in 1991, making it 34 years old in 2025.

What condition is 38850 274 ST over Andes 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 38850 274 ST over Andes Ck carry?

About 30 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 38850 274 ST over Andes Ck?

The structure is 26 ft (7.8 m) long with a longest span of 24 ft (7.3 m) and a deck 29 ft wide.

Who owns 38850 274 ST over Andes Ck?

It is owned by the County Highway Agency.