US Bridges

Csah 4 over Winter Road River

GoodPosted for load

Lake of the Woods County, Minnesota · 1.0 MI N of JCT Csah 3 · Structure no. 39510

Built
1985
40 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
60
2020 count
Owner
County
County Highway Agency

About this bridge

Csah 4 over Winter Road River is a prestressed concrete stringer/multi-beam or girder carrying Csah 4 over Winter Road River in Lake of the Woods County, Minnesota. It was built in 1985, so it is 40 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. Its operating status is: posted for load restriction.

It carries about 60 vehicles a day, projected to reach 45 by 2040. The structure is 70 ft (21.2 m) long and 35 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesCsah 4
CrossesWinter Road River
Location1.0 MI N of JCT Csah 3
RouteCounty Highway 4
Coordinates48.68577, -94.84305
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 protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.6 US tons
Inventory rating23.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length70 ft (21.2 m)
Longest span68 ft (20.7 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2020)
Projected traffic45 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 4 over Winter Road River built?

It was built in 1985, making it 40 years old in 2025.

What condition is Csah 4 over Winter Road 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 2023.

How much traffic does Csah 4 over Winter Road River carry?

About 60 vehicles per day (2020 count).

How long is Csah 4 over Winter Road River?

The structure is 70 ft (21.2 m) long with a longest span of 68 ft (20.7 m) and a deck 35 ft wide.

Who owns Csah 4 over Winter Road River?

It is owned by the County Highway Agency.