US Bridges

Csah 3 over Pine River

Fair

Crow Wing County, Minnesota · 0.2 MI S of JCT Csah 66 · Structure no. 18517

Built
1985
40 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
120 ft
2 main spans
Daily traffic
6,300
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 3 over Pine River is a prestressed concrete stringer/multi-beam or girder carrying Csah 3 over Pine River in Crow Wing 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 6,300 vehicles a day, projected to reach 5,400 by 2039. The structure is 120 ft (36.7 m) long and 56 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCsah 3
CrossesPine River
Location0.2 MI S of JCT Csah 66
RouteCounty Highway 3
Coordinates46.66799, -94.11188
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating96.5 US tons
Inventory rating42.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length120 ft (36.7 m)
Longest span59 ft (18.1 m)
Deck width56 ft (17 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,300 (2019)
Projected traffic5,400 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 3 over Pine River built?

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

What condition is Csah 3 over Pine River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.

How much traffic does Csah 3 over Pine River carry?

About 6,300 vehicles per day (2019 count).

How long is Csah 3 over Pine River?

The structure is 120 ft (36.7 m) long with a longest span of 59 ft (18.1 m) and a deck 56 ft wide.

Who owns Csah 3 over Pine River?

It is owned by the County Highway Agency.