US Bridges

Interstate 29 over North Branch Elm River

Good

Traill County, North Dakota · 2 South Nd 200 · Structure no. 0029098519

Built
2021
4 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
67 ft
4 main spans
Daily traffic
11,635
2021 count
Owner
State
State Highway Agency

About this bridge

Interstate 29 over North Branch Elm River is a concrete culvert carrying Interstate 29 over North Branch Elm River in Traill County, North Dakota. It was built in 2021, so it is 4 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 11,635 vehicles a day, roughly 26% of them trucks, projected to reach 14,197 by 2041. The structure is 67 ft (20.3 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 29
CrossesNorth Branch Elm River
Location2 South Nd 200
RouteInterstate 29
Coordinates47.3262, -97.04663
Functional classRural Principal Arterial - Interstate

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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating50 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHL 93
Structure length67 ft (20.3 m)
Longest span16 ft (4.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,635 (2021)
Projected traffic14,197 by 2041
Trucks26%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 Interstate 29 over North Branch Elm River built?

It was built in 2021, making it 4 years old in 2025.

What condition is Interstate 29 over North Branch Elm 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 August 2024.

How much traffic does Interstate 29 over North Branch Elm River carry?

About 11,635 vehicles per day (2021 count), of which roughly 26% are trucks.

How long is Interstate 29 over North Branch Elm River?

The structure is 67 ft (20.3 m) long with a longest span of 16 ft (4.8 m).

Who owns Interstate 29 over North Branch Elm River?

It is owned by the State Highway Agency.