US Bridges

County Highway over Tongue River

Good

Pembina County, North Dakota · 5 East of Bathgate · Structure no. 000000034128090

Built
1993
32 years old
Condition
Good
inspected June 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
104 ft
2 main spans
Daily traffic
176
2014 count
Owner
County
County Highway Agency

About this bridge

County Highway over Tongue River is a prestressed concrete continuous box beam or girders - single or spread carrying County Highway over Tongue River in Pembina County, North Dakota. It was built in 1993, so it is 32 years old, younger than the North Dakota average of 48.2 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 176 vehicles a day, roughly 13% of them trucks, projected to reach 150 by 2034. The structure is 104 ft (31.7 m) long and 33 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesCounty Highway
CrossesTongue River
Location5 East of Bathgate
RouteCounty Highway 3410
Coordinates48.87629, -97.34727
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.1 US tons
Inventory rating30.6 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length104 ft (31.7 m)
Longest span49 ft (14.9 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic176 (2014)
Projected traffic150 by 2034
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 County Highway over Tongue River built?

It was built in 1993, making it 32 years old in 2025.

What condition is County Highway over Tongue River 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 2024.

How much traffic does County Highway over Tongue River carry?

About 176 vehicles per day (2014 count), of which roughly 13% are trucks.

How long is County Highway over Tongue River?

The structure is 104 ft (31.7 m) long with a longest span of 49 ft (14.9 m) and a deck 33 ft wide.

Who owns County Highway over Tongue River?

It is owned by the County Highway Agency.