US Bridges

273 Street over Cottonwood Ck

GoodPosted for load

Tripp County, South Dakota · 3.1E Witten · Structure no. 000000062111230

Built
1932
93 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
34
2022 count
Owner
County
County Highway Agency

About this bridge

273 Street over Cottonwood Ck is a concrete culvert carrying 273 Street over Cottonwood Ck in Tripp County, South Dakota. It was built in 1932, so it is 93 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 34 vehicles a day, roughly 3% of them trucks, projected to reach 34 by 2032. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Carries273 Street
CrossesCottonwood Ck
Location3.1E Witten
RouteCounty Highway 0
Coordinates43.44426, -100.02649
Functional classRural Minor Collector

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34 (2022)
Projected traffic34 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 273 Street over Cottonwood Ck built?

It was built in 1932, making it 93 years old in 2025.

What condition is 273 Street over Cottonwood Ck 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 May 2023.

How much traffic does 273 Street over Cottonwood Ck carry?

About 34 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 273 Street over Cottonwood Ck?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m).

Who owns 273 Street over Cottonwood Ck?

It is owned by the County Highway Agency.