US Bridges

Interstate 29 over English Coulee Diversion

Good

Grand Forks County, North Dakota · 2 South of US 81 · Structure no. 0029143199

Built
2003
22 years old
Condition
Good
inspected August 2022
Type
Culvert
Concrete
Length
64 ft
4 main spans
Daily traffic
7,600
2019 count
Owner
State
State Highway Agency

About this bridge

Interstate 29 over English Coulee Diversion is a concrete culvert carrying Interstate 29 over English Coulee Diversion in Grand Forks County, North Dakota. It was built in 2003, so it is 22 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 7,600 vehicles a day, roughly 20% of them trucks, projected to reach 7,600 by 2039. The structure is 64 ft (19.5 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 29
CrossesEnglish Coulee Diversion
Location2 South of US 81
RouteInterstate 29
Coordinates47.96194, -97.09334
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2022
Inspection intervalevery 48 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 rating77.3 US tons
Inventory rating46.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 25 or greater
Structure length64 ft (19.5 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,600 (2019)
Projected traffic7,600 by 2039
Trucks20%
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 English Coulee Diversion built?

It was built in 2003, making it 22 years old in 2025.

What condition is Interstate 29 over English Coulee Diversion 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 2022.

How much traffic does Interstate 29 over English Coulee Diversion carry?

About 7,600 vehicles per day (2019 count), of which roughly 20% are trucks.

How long is Interstate 29 over English Coulee Diversion?

The structure is 64 ft (19.5 m) long with a longest span of 15 ft (4.6 m).

Who owns Interstate 29 over English Coulee Diversion?

It is owned by the State Highway Agency.