US Bridges

Interstate 29 over US 2/I-29 Interchange

Fair

Grand Forks County, North Dakota · Junction US 2-GF · Structure no. 0029141196 L

Built
1968
57 years old, rebuilt 1994
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
305 ft
5 main spans
Daily traffic
3,800
2019 count
Owner
State
State Highway Agency

About this bridge

Interstate 29 over US 2/I-29 Interchange is a prestressed concrete box beam or girders - single or spread carrying Interstate 29 over US 2/I-29 Interchange in Grand Forks County, North Dakota. It was built in 1968 and reconstructed in 1994, so it is 57 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 3,800 vehicles a day, roughly 20% of them trucks, projected to reach 3,800 by 2039. The structure is 305 ft (93 m) long and 49 ft wide.

CarriesInterstate 29
CrossesUS 2/I-29 Interchange
LocationJunction US 2-GF
RouteInterstate 29
Coordinates47.93303, -97.09372
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating69.7 US tons
Inventory rating30.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length305 ft (93 m)
Longest span65 ft (19.8 m)
Deck width49 ft (14.8 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,800 (2019)
Projected traffic3,800 by 2039
Trucks20%
Lanes on structure3
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Interstate 29 over US 2/I-29 Interchange built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 1994.

What condition is Interstate 29 over US 2/I-29 Interchange 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 April 2023.

How much traffic does Interstate 29 over US 2/I-29 Interchange carry?

About 3,800 vehicles per day (2019 count), of which roughly 20% are trucks.

How long is Interstate 29 over US 2/I-29 Interchange?

The structure is 305 ft (93 m) long with a longest span of 65 ft (19.8 m) and a deck 49 ft wide.

Who owns Interstate 29 over US 2/I-29 Interchange?

It is owned by the State Highway Agency.