US Bridges

Csah 35 over I 35

Fair

Freeborn County, Minnesota · 4.2 MI N of JCT TH 251 · Structure no. 24805

Built
1965
60 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
210 ft
4 main spans
Daily traffic
960
2017 count
Owner
State
State Highway Agency

About this bridge

Csah 35 over I 35 is a steel continuous stringer/multi-beam or girder carrying Csah 35 over I 35 in Freeborn County, Minnesota. It was built in 1965, so it is 60 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 960 vehicles a day, projected to reach 960 by 2039. The structure is 210 ft (63.9 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCsah 35
CrossesI 35
Location4.2 MI N of JCT TH 251
RouteCounty Highway 35
Coordinates43.81829, -93.28887
Functional classRural Major Collector

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.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.8 US tons
Inventory rating28.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length210 ft (63.9 m)
Longest span67 ft (20.4 m)
Deck width34 ft (10.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic960 (2017)
Projected traffic960 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
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 35 over I 35 built?

It was built in 1965, making it 60 years old in 2025.

What condition is Csah 35 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 September 2023.

How much traffic does Csah 35 over I 35 carry?

About 960 vehicles per day (2017 count).

How long is Csah 35 over I 35?

The structure is 210 ft (63.9 m) long with a longest span of 67 ft (20.4 m) and a deck 34 ft wide.

Who owns Csah 35 over I 35?

It is owned by the State Highway Agency.