US Bridges

Nd Highway 5 over Tongue River

Good

Pembina County, North Dakota · 3 West of Nd 18 North · Structure no. 0005314446

Built
1988
37 years old
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
86 ft
1 main span
Daily traffic
1,640
2019 count
Owner
State
State Highway Agency

About this bridge

Nd Highway 5 over Tongue River is a prestressed concrete box beam or girders - single or spread carrying Nd Highway 5 over Tongue River in Pembina County, North Dakota. It was built in 1988, so it is 37 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 1,640 vehicles a day, roughly 10% of them trucks, projected to reach 1,640 by 2039. The structure is 86 ft (26.2 m) long and 51 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

CarriesNd Highway 5
CrossesTongue River
Location3 West of Nd 18 North
RouteState Highway 5
Coordinates48.80481, -97.61662
Functional classRural Principal Arterial - Other

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating44.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length86 ft (26.2 m)
Longest span82 ft (25 m)
Deck width51 ft (15.6 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,640 (2019)
Projected traffic1,640 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Nd Highway 5 over Tongue River built?

It was built in 1988, making it 37 years old in 2025.

What condition is Nd Highway 5 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 May 2024.

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

About 1,640 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is Nd Highway 5 over Tongue River?

The structure is 86 ft (26.2 m) long with a longest span of 82 ft (25 m) and a deck 51 ft wide.

Who owns Nd Highway 5 over Tongue River?

It is owned by the State Highway Agency.