US Bridges

CR 57 over Valley River

Good

Koochiching County, Minnesota · 1.2 MI W of JCT TH 65 · Structure no. 36526

Built
2003
22 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
148 ft
1 main span
Daily traffic
5
2016 count
Owner
County
County Highway Agency

About this bridge

CR 57 over Valley River is a prestressed concrete stringer/multi-beam or girder carrying CR 57 over Valley River in Koochiching County, Minnesota. It was built in 2003, so it is 22 years old, younger 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 5 vehicles a day, projected to reach 5 by 2039. The structure is 148 ft (45.2 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCR 57
CrossesValley River
Location1.2 MI W of JCT TH 65
RouteCounty Highway 57
Coordinates47.95754, -93.18966
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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.8 US tons
Inventory rating46.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length148 ft (45.2 m)
Longest span141 ft (43.1 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2016)
Projected traffic5 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 CR 57 over Valley River built?

It was built in 2003, making it 22 years old in 2025.

What condition is CR 57 over Valley 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 September 2023.

How much traffic does CR 57 over Valley River carry?

About 5 vehicles per day (2016 count).

How long is CR 57 over Valley River?

The structure is 148 ft (45.2 m) long with a longest span of 141 ft (43.1 m) and a deck 31 ft wide.

Who owns CR 57 over Valley River?

It is owned by the County Highway Agency.