US Bridges

272 ST over Dog Ear Ck

Good

Tripp County, South Dakota · 9.7E & 1.0N Witten · Structure no. 000000062177220

Built
2005
20 years old
Condition
Good
inspected June 2023
Type
Culvert
Steel
Length
24 ft
3 main spans
Daily traffic
15
2022 count
Owner
County
County Highway Agency

About this bridge

272 ST over Dog Ear Ck is a steel culvert carrying 272 ST over Dog Ear Ck in Tripp County, South Dakota. It was built in 2005, so it is 20 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 15 vehicles a day, roughly 9% of them trucks, projected to reach 15 by 2032. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 11.8 mi (19 km).

Carries272 ST
CrossesDog Ear Ck
Location9.7E & 1.0N Witten
RouteCounty Highway 0
Coordinates43.45881, -99.89491
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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 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 alignment8: Equal to present desirable criteria
Operating rating81 US tons
Inventory rating60.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length24 ft (7.3 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2022)
Projected traffic15 by 2032
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 272 ST over Dog Ear Ck built?

It was built in 2005, making it 20 years old in 2025.

What condition is 272 ST over Dog Ear 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 June 2023.

How much traffic does 272 ST over Dog Ear Ck carry?

About 15 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is 272 ST over Dog Ear Ck?

The structure is 24 ft (7.3 m) long with a longest span of 6 ft (1.8 m).

Who owns 272 ST over Dog Ear Ck?

It is owned by the County Highway Agency.