US Bridges

Csah 25 over Wild Rice River

Good

Mahnomen County, Minnesota · 0.4 MI E of JCT TH 59 · Structure no. 44506

Built
1980
45 years old
Condition
Good
inspected October 2024
Type
Slab
Wood or Timber
Length
120 ft
4 main spans
Daily traffic
435
2016 count
Owner
County
County Highway Agency

About this bridge

Csah 25 over Wild Rice River is a wood or timber slab carrying Csah 25 over Wild Rice River in Mahnomen County, Minnesota. It was built in 1980, so it is 45 years old, older than the Minnesota average of 38.5 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 435 vehicles a day, projected to reach 435 by 2039. The structure is 120 ft (36.6 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCsah 25
CrossesWild Rice River
Location0.4 MI E of JCT TH 59
RouteCounty Highway 25
Coordinates47.31109, -95.95219
Functional classRural Minor Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than 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 rating58.2 US tons
Inventory rating40.9 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans4
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span30 ft (9.1 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic435 (2016)
Projected traffic435 by 2039
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 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 Csah 25 over Wild Rice River built?

It was built in 1980, making it 45 years old in 2025.

What condition is Csah 25 over Wild Rice 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 Csah 25 over Wild Rice River carry?

About 435 vehicles per day (2016 count).

How long is Csah 25 over Wild Rice River?

The structure is 120 ft (36.6 m) long with a longest span of 30 ft (9.1 m) and a deck 34 ft wide.

Who owns Csah 25 over Wild Rice River?

It is owned by the County Highway Agency.