US Bridges

181st Street over Medicine Creek

Good

Spink County, South Dakota · 2N 9.3W Tulare · Structure no. 000000058007330

Built
1992
33 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
55
2022 count
Owner
County
County Highway Agency

About this bridge

181st Street over Medicine Creek is a concrete continuous culvert carrying 181st Street over Medicine Creek in Spink County, South Dakota. It was built in 1992, so it is 33 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 good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 55 vehicles a day, roughly 2% of them trucks, projected to reach 55 by 2032. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Carries181st Street
CrossesMedicine Creek
Location2N 9.3W Tulare
RouteCounty Highway 0
Coordinates44.76485, -98.69046
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating40.9 US tons
Inventory rating31.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckWood or timber
Main spans3
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span10 ft (3.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55 (2022)
Projected traffic55 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 181st Street over Medicine Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is 181st Street over Medicine Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does 181st Street over Medicine Creek carry?

About 55 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 181st Street over Medicine Creek?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3.2 m).

Who owns 181st Street over Medicine Creek?

It is owned by the County Highway Agency.