US Bridges

Nd Highway 31 over Creek

Good

Morton County, North Dakota · 3 North of I-94 · Structure no. 0031081254

Built
1976
49 years old
Condition
Good
inspected June 2021
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
1,120
2019 count
Owner
State
State Highway Agency

About this bridge

Nd Highway 31 over Creek is a concrete culvert carrying Nd Highway 31 over Creek in Morton County, North Dakota. It was built in 1976, so it is 49 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 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 1,120 vehicles a day, roughly 10% of them trucks, projected to reach 909 by 2039. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 39.8 mi (64 km).

CarriesNd Highway 31
CrossesCreek
Location3 North of I-94
RouteState Highway 31
Coordinates46.90371, -101.42696
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJune 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.7 US tons
Inventory rating38.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,120 (2019)
Projected traffic909 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.8 mi (64 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 31 over Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is Nd Highway 31 over Creek 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 June 2021.

How much traffic does Nd Highway 31 over Creek carry?

About 1,120 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is Nd Highway 31 over Creek?

The structure is 31 ft (9.4 m) long with a longest span of 10 ft (3 m).

Who owns Nd Highway 31 over Creek?

It is owned by the State Highway Agency.