US Bridges

6th Street NW over Souris River

Fair

Ward County, North Dakota · 6th Street Nw-Minot · Structure no. 0000MNOT24

Built
2000
25 years old
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
272 ft
3 main spans
Daily traffic
3,700
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

6th Street NW over Souris River is a prestressed concrete continuous box beam or girders - single or spread carrying 6th Street NW over Souris River in Ward County, North Dakota. It was built in 2000, so it is 25 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 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 3,700 vehicles a day, roughly 1% of them trucks, projected to reach 4,700 by 2039. The structure is 272 ft (82.9 m) long and 57 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries6th Street NW
CrossesSouris River
Location6th Street Nw-Minot
RouteCity Street 8936
Coordinates48.24125, -101.30269
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating63.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length272 ft (82.9 m)
Longest span97 ft (29.6 m)
Deck width57 ft (17.5 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,700 (2019)
Projected traffic4,700 by 2039
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 6th Street NW over Souris River built?

It was built in 2000, making it 25 years old in 2025.

What condition is 6th Street NW over Souris River 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 May 2023.

How much traffic does 6th Street NW over Souris River carry?

About 3,700 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is 6th Street NW over Souris River?

The structure is 272 ft (82.9 m) long with a longest span of 97 ft (29.6 m) and a deck 57 ft wide.

Who owns 6th Street NW over Souris River?

It is owned by the City or Municipal Highway Agency.