US Bridges

Csah 40 over Pine River

Good

Pine County, Minnesota · 2.1 MI S of JCT Csah 41 · Structure no. 58553

Built
2012
13 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
106 ft
1 main span
Daily traffic
40
2012 count
Owner
County
County Highway Agency

About this bridge

Csah 40 over Pine River is a prestressed concrete stringer/multi-beam or girder carrying Csah 40 over Pine River in Pine County, Minnesota. It was built in 2012, so it is 13 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 40 vehicles a day, projected to reach 211 by 2032. The structure is 106 ft (32.2 m) long and 35 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesCsah 40
CrossesPine River
Location2.1 MI S of JCT Csah 41
RouteCounty Highway 40
Coordinates46.28816, -92.95934
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.5 US tons
Inventory rating40.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length106 ft (32.2 m)
Longest span103 ft (31.4 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2012)
Projected traffic211 by 2032
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 40 over Pine River built?

It was built in 2012, making it 13 years old in 2025.

What condition is Csah 40 over Pine 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 40 over Pine River carry?

About 40 vehicles per day (2012 count).

How long is Csah 40 over Pine River?

The structure is 106 ft (32.2 m) long with a longest span of 103 ft (31.4 m) and a deck 35 ft wide.

Who owns Csah 40 over Pine River?

It is owned by the County Highway Agency.