US Bridges

County Road over Tongue River

PoorPosted for load

Pembina County, North Dakota · Bathgate · Structure no. 000000034122091

Built
1917
108 years old, rebuilt 2003
Condition
Poor
inspected May 2024
Type
Truss - Thru
Steel
Length
83 ft
1 main span
Daily traffic
2
2014 count
Owner
County
County Highway Agency

About this bridge

County Road over Tongue River is a steel truss - thru carrying County Road over Tongue River in Pembina County, North Dakota. It was built in 1917 and reconstructed in 2003, so it is 108 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 poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 2 vehicles a day, projected to reach 25 by 2034. The structure is 83 ft (25.3 m) long and 16 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Road
CrossesTongue River
LocationBathgate
RouteCounty Highway 0
Coordinates48.88135, -97.4767
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating8.5 US tons
Inventory rating5.1 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1 (+2 approach)
Design loadUnknown
Structure length83 ft (25.3 m)
Longest span50 ft (15.2 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2 (2014)
Projected traffic25 by 2034
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-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 statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$272,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road over Tongue River built?

It was built in 1917, making it 108 years old in 2025. It was reconstructed in 2003.

What condition is County Road over Tongue River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

How much traffic does County Road over Tongue River carry?

About 2 vehicles per day (2014 count).

How long is County Road over Tongue River?

The structure is 83 ft (25.3 m) long with a longest span of 50 ft (15.2 m) and a deck 16 ft wide.

Who owns County Road over Tongue River?

It is owned by the County Highway Agency.