US Bridges

38910 282 ST over Andes Ck

Fair

Douglas County, South Dakota · 1.5S 2.9W of Armour · Structure no. 000000022151140

Built
1987
38 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Prestressed Concrete
Length
25 ft
1 main span
Daily traffic
10
2022 count
Owner
County
County Highway Agency

About this bridge

38910 282 ST over Andes Ck is a prestressed concrete tee beam carrying 38910 282 ST over Andes Ck in Douglas County, South Dakota. It was built in 1987, so it is 38 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 10 vehicles a day, roughly 2% of them trucks, projected to reach 10 by 2032. The structure is 25 ft (7.6 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries38910 282 ST
CrossesAndes Ck
Location1.5S 2.9W of Armour
RouteCounty Highway 0
Coordinates43.29759, -98.40387
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width27 ft (8.2 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2022)
Projected traffic10 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-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 38910 282 ST over Andes Ck built?

It was built in 1987, making it 38 years old in 2025.

What condition is 38910 282 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 38910 282 ST over Andes Ck carry?

About 10 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 38910 282 ST over Andes Ck?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 27 ft wide.

Who owns 38910 282 ST over Andes Ck?

It is owned by the County Highway Agency.