US Bridges

Johnson Avenue over Forest River

Good

Walsh County, North Dakota · Southeast Corner Minto · Structure no. 000000050144181

Built
2005
20 years old
Condition
Good
inspected October 2024
Type
Tee Beam
Prestressed Concrete
Length
94 ft
2 main spans
Daily traffic
75
2014 count
Owner
County
County Highway Agency

About this bridge

Johnson Avenue over Forest River is a prestressed concrete tee beam carrying Johnson Avenue over Forest River in Walsh County, North Dakota. It was built in 2005, so it is 20 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 75 vehicles a day, projected to reach 75 by 2034. The structure is 94 ft (28.7 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesJohnson Avenue
CrossesForest River
LocationSoutheast Corner Minto
RouteCity Street 0
Coordinates48.28604, -97.36985
Functional classRural Local

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating63.9 US tons
Inventory rating32.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length94 ft (28.7 m)
Longest span45 ft (13.7 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2014)
Projected traffic75 by 2034
Trucks—
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

OwnerCounty Highway Agency
Maintained byCounty 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 Johnson Avenue over Forest River built?

It was built in 2005, making it 20 years old in 2025.

What condition is Johnson Avenue over Forest River 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 October 2024.

How much traffic does Johnson Avenue over Forest River carry?

About 75 vehicles per day (2014 count).

How long is Johnson Avenue over Forest River?

The structure is 94 ft (28.7 m) long with a longest span of 45 ft (13.7 m) and a deck 32 ft wide.

Who owns Johnson Avenue over Forest River?

It is owned by the County Highway Agency.