US Bridges

9th St.West Fargo over I-94/9th St.Interchange

Good

Cass County, North Dakota · 2 West of I-29 · Structure no. 0094347590

Built
2009
16 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
268 ft
2 main spans
Daily traffic
25,100
2019 count
Owner
State
State Highway Agency

About this bridge

9th St.West Fargo over I-94/9th St.Interchange is a prestressed concrete continuous stringer/multi-beam or girder carrying 9th St.West Fargo over I-94/9th St.Interchange in Cass County, North Dakota. It was built in 2009, so it is 16 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 25,100 vehicles a day, roughly 2% of them trucks, projected to reach 49,000 by 2039. The structure is 268 ft (81.7 m) long and 116 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries9th St.West Fargo
CrossesI-94/9th St.Interchange
Location2 West of I-29
RouteCity Street 0
Coordinates46.84765, -96.88317
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating60.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length268 ft (81.7 m)
Longest span134 ft (40.8 m)
Deck width116 ft (35.5 m)
Roadway width103 ft (31.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,100 (2019)
Projected traffic49,000 by 2039
Trucks2%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 9th St.West Fargo over I-94/9th St.Interchange built?

It was built in 2009, making it 16 years old in 2025.

What condition is 9th St.West Fargo over I-94/9th St.Interchange 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 2023.

How much traffic does 9th St.West Fargo over I-94/9th St.Interchange carry?

About 25,100 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is 9th St.West Fargo over I-94/9th St.Interchange?

The structure is 268 ft (81.7 m) long with a longest span of 134 ft (40.8 m) and a deck 116 ft wide.

Who owns 9th St.West Fargo over I-94/9th St.Interchange?

It is owned by the State Highway Agency.