US Bridges

Csah 61 over BNSF RR

Fair

Pine County, Minnesota · 1.7 MI S of JCT Csah 61 · Structure no. 58003

Built
1982
43 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
223 ft
3 main spans
Daily traffic
3,100
2016 count
Owner
County
County Highway Agency

About this bridge

Csah 61 over BNSF RR is a prestressed concrete stringer/multi-beam or girder carrying Csah 61 over BNSF RR in Pine County, Minnesota. It was built in 1982, so it is 43 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 3,100 vehicles a day, roughly 6% of them trucks, projected to reach 3,100 by 2039. The structure is 223 ft (67.9 m) long and 50 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCsah 61
CrossesBNSF RR
Location1.7 MI S of JCT Csah 61
RouteCounty Highway 61
Coordinates45.98623, -92.94775
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating106.9 US tons
Inventory rating31.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length223 ft (67.9 m)
Longest span72 ft (21.9 m)
Deck width50 ft (15.3 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,100 (2016)
Projected traffic3,100 by 2039
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.1 mi (5 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Csah 61 over BNSF RR built?

It was built in 1982, making it 43 years old in 2025.

What condition is Csah 61 over BNSF RR 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 November 2023.

How much traffic does Csah 61 over BNSF RR carry?

About 3,100 vehicles per day (2016 count), of which roughly 6% are trucks.

How long is Csah 61 over BNSF RR?

The structure is 223 ft (67.9 m) long with a longest span of 72 ft (21.9 m) and a deck 50 ft wide.

Who owns Csah 61 over BNSF RR?

It is owned by the County Highway Agency.