US Bridges

County Road over Tongue River

FairPosted for load

Pembina County, North Dakota · 1 West 1 South Bathgate · Structure no. 000000034121100

Built
1917
108 years old
Condition
Fair
inspected May 2024
Type
Truss - Thru
Steel
Length
46 ft
1 main span
Daily traffic
25
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, 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 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 25 vehicles a day, projected to reach 25 by 2034. The structure is 46 ft (14 m) long and 18 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Road
CrossesTongue River
Location1 West 1 South Bathgate
RouteCounty Highway 0
CountyPembina County
StateNorth Dakota
Coordinates48.87572, -97.48934
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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating19.8 US tons
Inventory rating11.8 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length46 ft (14 m)
Longest span43 ft (13.1 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2014)
Projected traffic25 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 statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$234,000
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.

What condition is County Road 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 May 2024.

How much traffic does County Road over Tongue River carry?

About 25 vehicles per day (2014 count).

How long is County Road over Tongue River?

The structure is 46 ft (14 m) long with a longest span of 43 ft (13.1 m) and a deck 18 ft wide.

Who owns County Road over Tongue River?

It is owned by the County Highway Agency.