US Bridges

County Highway over Forest River

Poor

Walsh County, North Dakota · 8 East 1 North of Minto · Structure no. 000000050153170

Built
1932
93 years old, rebuilt 1968
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
125 ft
5 main spans
Daily traffic
10
2014 count
Owner
County
County Highway Agency

About this bridge

County Highway over Forest River is a steel stringer/multi-beam or girder carrying County Highway over Forest River in Walsh County, North Dakota. It was built in 1932 and reconstructed in 1968, so it is 93 years old, older than the North Dakota average of 48.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 10 vehicles a day, projected to reach 10 by 2034. The structure is 125 ft (38.1 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Highway
CrossesForest River
Location8 East 1 North of Minto
RouteCounty Highway 0
Coordinates48.30853, -97.18872
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57.8 US tons
Inventory rating34.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length125 ft (38.1 m)
Longest span52 ft (15.8 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2014)
Projected traffic10 by 2034
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over Forest River built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1968.

What condition is County Highway over Forest River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does County Highway over Forest River carry?

About 10 vehicles per day (2014 count).

How long is County Highway over Forest River?

The structure is 125 ft (38.1 m) long with a longest span of 52 ft (15.8 m) and a deck 32 ft wide.

Who owns County Highway over Forest River?

It is owned by the County Highway Agency.