US Bridges

I 35 over Csah 5

Fair

Freeborn County, Minnesota · 2.5 MI N of Iowa ST Line · Structure no. 24863

Built
1970
55 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
132 ft
3 main spans
Daily traffic
10,400
2017 count
Owner
State
State Highway Agency

About this bridge

I 35 over Csah 5 is a steel continuous stringer/multi-beam or girder carrying I 35 over Csah 5 in Freeborn County, Minnesota. It was built in 1970, so it is 55 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 10,400 vehicles a day, roughly 26% of them trucks, projected to reach 10,400 by 2039. The structure is 132 ft (40.1 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI 35
CrossesCsah 5
Location2.5 MI N of Iowa ST Line
RouteInterstate 35
CountyFreeborn County
StateMinnesota
Coordinates43.53569, -93.35496
Functional classRural Principal Arterial - Interstate

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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating32.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length132 ft (40.1 m)
Longest span54 ft (16.6 m)
Deck width45 ft (13.6 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,400 (2017)
Projected traffic10,400 by 2039
Trucks26%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I 35 over Csah 5 built?

It was built in 1970, making it 55 years old in 2025.

What condition is I 35 over Csah 5 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 I 35 over Csah 5 carry?

About 10,400 vehicles per day (2017 count), of which roughly 26% are trucks.

How long is I 35 over Csah 5?

The structure is 132 ft (40.1 m) long with a longest span of 54 ft (16.6 m) and a deck 45 ft wide.

Who owns I 35 over Csah 5?

It is owned by the State Highway Agency.