US Bridges

County Highway over Tongue River

Fair

Pembina County, North Dakota · 1 East 1 North of Hallson · Structure no. 000000034107161

Built
1942
83 years old, rebuilt 1961
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
37 ft
1 main span
Daily traffic
30
2014 count
Owner
County
County Highway Agency

About this bridge

County Highway over Tongue River is a steel stringer/multi-beam or girder carrying County Highway over Tongue River in Pembina County, North Dakota. It was built in 1942 and reconstructed in 1961, so it is 83 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 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 30 vehicles a day, projected to reach 30 by 2034. The structure is 37 ft (11.3 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Highway
CrossesTongue River
Location1 East 1 North of Hallson
RouteCounty Highway 0
Coordinates48.77873, -97.79582
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating74.4 US tons
Inventory rating44.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length37 ft (11.3 m)
Longest span35 ft (10.7 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2014)
Projected traffic30 by 2034
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over Tongue River built?

It was built in 1942, making it 83 years old in 2025. It was reconstructed in 1961.

What condition is County Highway over Tongue River 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 April 2024.

How much traffic does County Highway over Tongue River carry?

About 30 vehicles per day (2014 count).

How long is County Highway over Tongue River?

The structure is 37 ft (11.3 m) long with a longest span of 35 ft (10.7 m) and a deck 26 ft wide.

Who owns County Highway over Tongue River?

It is owned by the County Highway Agency.