US Bridges

City Street over University AVE/I-29 Sep

Fair

Grand Forks County, North Dakota · 1 South US 2 · Structure no. 0029140458

Built
1968
57 years old, rebuilt 1989
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
245 ft
4 main spans
Daily traffic
3,575
2019 count
Owner
State
State Highway Agency

About this bridge

City Street over University AVE/I-29 Sep is a steel continuous stringer/multi-beam or girder carrying City Street over University AVE/I-29 Sep in Grand Forks County, North Dakota. It was built in 1968 and reconstructed in 1989, 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 3,575 vehicles a day, roughly 13% of them trucks, projected to reach 4,000 by 2039. The structure is 245 ft (74.7 m) long and 45 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCity Street
CrossesUniversity AVE/I-29 Sep
Location1 South US 2
RouteCity Street 0
CountyGrand Forks County
StateNorth Dakota
Coordinates47.92228, -97.09353
Functional classUrban 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.
Superstructure7 GoodSome minor problems.
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 rating82.5 US tons
Inventory rating49.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length245 ft (74.7 m)
Longest span83 ft (25.3 m)
Deck width45 ft (13.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,575 (2019)
Projected traffic4,000 by 2039
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was City Street over University AVE/I-29 Sep built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 1989.

What condition is City Street over University AVE/I-29 Sep 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 City Street over University AVE/I-29 Sep carry?

About 3,575 vehicles per day (2019 count), of which roughly 13% are trucks.

How long is City Street over University AVE/I-29 Sep?

The structure is 245 ft (74.7 m) long with a longest span of 83 ft (25.3 m) and a deck 45 ft wide.

Who owns City Street over University AVE/I-29 Sep?

It is owned by the State Highway Agency.