US Bridges

Csah 61 over I 35

Fair

Pine County, Minnesota · At JCT TH 48 (hinckley) · Structure no. 9785

Built
1959
66 years old, rebuilt 1985
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
197 ft
4 main spans
Daily traffic
4,667
2022 count
Owner
State
State Highway Agency

About this bridge

Csah 61 over I 35 is a steel continuous stringer/multi-beam or girder carrying Csah 61 over I 35 in Pine County, Minnesota. It was built in 1959 and reconstructed in 1985, so it is 66 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 4,667 vehicles a day, roughly 8% of them trucks, projected to reach 10,800 by 2042. The structure is 197 ft (59.9 m) long and 66 ft wide.

CarriesCsah 61
CrossesI 35
LocationAt JCT TH 48 (hinckley)
RouteCounty Highway 61
Coordinates46.01112, -92.9319
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.6 US tons
Inventory rating43.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length197 ft (59.9 m)
Longest span59 ft (18 m)
Deck width66 ft (20.2 m)
Roadway width52 ft (15.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,667 (2022)
Projected traffic10,800 by 2042
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 I 35 built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1985.

What condition is Csah 61 over I 35 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 April 2024.

How much traffic does Csah 61 over I 35 carry?

About 4,667 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Csah 61 over I 35?

The structure is 197 ft (59.9 m) long with a longest span of 59 ft (18 m) and a deck 66 ft wide.

Who owns Csah 61 over I 35?

It is owned by the State Highway Agency.