US Bridges

108th Avenue SW over Tepee Creek

FairPosted for load

Hettinger County, North Dakota · 2 S. 6 W. of Regent · Structure no. 000000021112180

Built
1900
125 years old, rebuilt 1968
Condition
Fair
inspected October 2024
Type
Slab
Wood or Timber
Length
22 ft
1 main span
Daily traffic
15
2018 count
Owner
County
County Highway Agency

About this bridge

108th Avenue SW over Tepee Creek is a wood or timber slab carrying 108th Avenue SW over Tepee Creek in Hettinger County, North Dakota. It was built in 1900 and reconstructed in 1968, so it is 125 years old, older than the North Dakota average of 48.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 15 vehicles a day, projected to reach 15 by 2038. The structure is 22 ft (6.7 m) long and 24 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
Carries108th Avenue SW
CrossesTepee Creek
Location2 S. 6 W. of Regent
RouteCounty Highway 0
CountyHettinger County
StateNorth Dakota
Coordinates46.38316, -102.67553
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating23 US tons
Inventory rating16.5 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width24 ft (7.4 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2018)
Projected traffic15 by 2038
Trucks—
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$171,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 108th Avenue SW over Tepee Creek built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1968.

What condition is 108th Avenue SW over Tepee Creek 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 October 2024.

How much traffic does 108th Avenue SW over Tepee Creek carry?

About 15 vehicles per day (2018 count).

How long is 108th Avenue SW over Tepee Creek?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 24 ft wide.

Who owns 108th Avenue SW over Tepee Creek?

It is owned by the County Highway Agency.