US Bridges

3rd Ave N.W. over Souris River

Fair

Ward County, North Dakota · 3rd AVE-4th ST Nw-Minot · Structure no. 0000MNOT09

Built
1977
48 years old
Condition
Fair
inspected May 2023
Type
Tee Beam
Prestressed Concrete
Length
175 ft
5 main spans
Daily traffic
8,400
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

3rd Ave N.W. over Souris River is a prestressed concrete tee beam carrying 3rd Ave N.W. over Souris River in Ward County, North Dakota. It was built in 1977, so it is 48 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 5 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 8,400 vehicles a day, roughly 1% of them trucks, projected to reach 9,000 by 2039. The structure is 175 ft (53.3 m) long and 67 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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Carries3rd Ave N.W.
CrossesSouris River
Location3rd AVE-4th ST Nw-Minot
RouteCity Street 8945
CountyWard County
StateNorth Dakota
Coordinates48.23943, -101.29845
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.2 US tons
Inventory rating25 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans5
Design loadUnknown
Structure length175 ft (53.3 m)
Longest span46 ft (14 m)
Deck width67 ft (20.4 m)
Roadway width48 ft (14.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,400 (2019)
Projected traffic9,000 by 2039
Trucks1%
Lanes on structure4
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$440,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 3rd Ave N.W. over Souris River built?

It was built in 1977, making it 48 years old in 2025.

What condition is 3rd Ave N.W. 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 3rd Ave N.W. over Souris River carry?

About 8,400 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is 3rd Ave N.W. over Souris River?

The structure is 175 ft (53.3 m) long with a longest span of 46 ft (14 m) and a deck 67 ft wide.

Who owns 3rd Ave N.W. over Souris River?

It is owned by the City or Municipal Highway Agency.