US Bridges

Nd Highway 30 over I94/STREETER Interchange

Good

Stutsman County, North Dakota · JCT Nd 30 · Structure no. 0094228318

Built
2022
3 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
256 ft
2 main spans
Daily traffic
447
2020 count
Owner
State
State Highway Agency

About this bridge

Nd Highway 30 over I94/STREETER Interchange is a prestressed concrete continuous stringer/multi-beam or girder carrying Nd Highway 30 over I94/STREETER Interchange in Stutsman County, North Dakota. It was built in 2022, so it is 3 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 447 vehicles a day, roughly 31% of them trucks, projected to reach 602 by 2040. The structure is 256 ft (78 m) long and 38 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesNd Highway 30
CrossesI94/STREETER Interchange
LocationJCT Nd 30
RouteState Highway 30
CountyStutsman County
StateNorth Dakota
Coordinates46.87796, -99.34178
Functional classRural Minor 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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.9 US tons
Inventory rating40.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length256 ft (78 m)
Longest span126 ft (38.4 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic447 (2020)
Projected traffic602 by 2040
Trucks31%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed3.7 mi (6 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 Nd Highway 30 over I94/STREETER Interchange built?

It was built in 2022, making it 3 years old in 2025.

What condition is Nd Highway 30 over I94/STREETER 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 November 2024.

How much traffic does Nd Highway 30 over I94/STREETER Interchange carry?

About 447 vehicles per day (2020 count), of which roughly 31% are trucks.

How long is Nd Highway 30 over I94/STREETER Interchange?

The structure is 256 ft (78 m) long with a longest span of 126 ft (38.4 m) and a deck 38 ft wide.

Who owns Nd Highway 30 over I94/STREETER Interchange?

It is owned by the State Highway Agency.