US Bridges

Nd Highway 5 over Tongue River

Fair

Cavalier County, North Dakota · 5 West Nd 32 North · Structure no. 0005293820

Built
1953
72 years old, rebuilt 1974
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
35 ft
3 main spans
Daily traffic
630
2019 count
Owner
State
State Highway Agency

About this bridge

Nd Highway 5 over Tongue River is a concrete culvert carrying Nd Highway 5 over Tongue River in Cavalier County, North Dakota. It was built in 1953 and reconstructed in 1974, so it is 72 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.

It carries about 630 vehicles a day, roughly 17% of them trucks, projected to reach 630 by 2039. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 18 mi (29 km).

CarriesNd Highway 5
CrossesTongue River
Location5 West Nd 32 North
RouteState Highway 5
Coordinates48.7611, -98.04013
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic630 (2019)
Projected traffic630 by 2039
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nd Highway 5 over Tongue River built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 1974.

What condition is Nd Highway 5 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 June 2024.

How much traffic does Nd Highway 5 over Tongue River carry?

About 630 vehicles per day (2019 count), of which roughly 17% are trucks.

How long is Nd Highway 5 over Tongue River?

The structure is 35 ft (10.7 m) long with a longest span of 11 ft (3.4 m).

Who owns Nd Highway 5 over Tongue River?

It is owned by the State Highway Agency.