US Bridges

Nd Highway 45 over Sheyenne River

Fair

Griggs County, North Dakota · 4 East of Nd 65 · Structure no. 0045011152

Built
1965
60 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
210 ft
3 main spans
Daily traffic
250
2019 count
Owner
State
State Highway Agency

About this bridge

Nd Highway 45 over Sheyenne River is a steel continuous stringer/multi-beam or girder carrying Nd Highway 45 over Sheyenne River in Griggs County, North Dakota. It was built in 1965, so it is 60 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 6 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 250 vehicles a day, roughly 20% of them trucks, projected to reach 250 by 2039. The structure is 210 ft (64 m) long and 36 ft wide. If it were closed, the detour would be 31.7 mi (51 km).

Location

Open in Google Maps
CarriesNd Highway 45
CrossesSheyenne River
Location4 East of Nd 65
RouteState Highway 45
CountyGriggs County
StateNorth Dakota
Coordinates47.54363, -98.05363
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length210 ft (64 m)
Longest span79 ft (24.1 m)
Deck width36 ft (10.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2019)
Projected traffic250 by 2039
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.7 mi (51 km)
TollOn a free road
National Highway SystemNo

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 45 over Sheyenne River built?

It was built in 1965, making it 60 years old in 2025.

What condition is Nd Highway 45 over Sheyenne 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 October 2024.

How much traffic does Nd Highway 45 over Sheyenne River carry?

About 250 vehicles per day (2019 count), of which roughly 20% are trucks.

How long is Nd Highway 45 over Sheyenne River?

The structure is 210 ft (64 m) long with a longest span of 79 ft (24.1 m) and a deck 36 ft wide.

Who owns Nd Highway 45 over Sheyenne River?

It is owned by the State Highway Agency.