US Bridges

County Road over Tongue River

PoorPosted for load

Pembina County, North Dakota · 6 East 1 North Bathgate · Structure no. 000000034128080

Built
1921
104 years old, rebuilt 2005
Condition
Poor
inspected June 2024
Type
Truss - Thru
Steel
Length
61 ft
1 main span
Daily traffic
24
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 1921 and reconstructed in 2005, so it is 104 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 24 vehicles a day, projected to reach 24 by 2034. The structure is 61 ft (18.6 m) long and 18 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Road
CrossesTongue River
Location6 East 1 North Bathgate
RouteCounty Highway 0
Coordinates48.89083, -97.3454
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
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.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating17.9 US tons
Inventory rating10.7 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length61 ft (18.6 m)
Longest span58 ft (17.7 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24 (2014)
Projected traffic24 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$260,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road over Tongue River built?

It was built in 1921, making it 104 years old in 2025. It was reconstructed in 2005.

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 June 2024.

How much traffic does County Road over Tongue River carry?

About 24 vehicles per day (2014 count).

How long is County Road over Tongue River?

The structure is 61 ft (18.6 m) long with a longest span of 58 ft (17.7 m) and a deck 18 ft wide.

Who owns County Road over Tongue River?

It is owned by the County Highway Agency.