US Bridges

Csah 25 over I 35

Fair

Freeborn County, Minnesota · 2.7 MI N of JCT TH 90 · Structure no. 24836

Built
1968
57 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
278 ft
4 main spans
Daily traffic
425
2013 count
Owner
State
State Highway Agency

About this bridge

Csah 25 over I 35 is a prestressed concrete stringer/multi-beam or girder carrying Csah 25 over I 35 in Freeborn County, Minnesota. It was built in 1968, so it is 57 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 5 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 425 vehicles a day, projected to reach 425 by 2039. The structure is 278 ft (84.8 m) long and 36 ft wide.

Location

Open in Google Maps
CarriesCsah 25
CrossesI 35
Location2.7 MI N of JCT TH 90
RouteCounty Highway 25
CountyFreeborn County
StateMinnesota
Coordinates43.72387, -93.32056
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.1 US tons
Inventory rating22.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length278 ft (84.8 m)
Longest span86 ft (26.1 m)
Deck width36 ft (11 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic425 (2013)
Projected traffic425 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 25 over I 35 built?

It was built in 1968, making it 57 years old in 2025.

What condition is Csah 25 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 May 2023.

How much traffic does Csah 25 over I 35 carry?

About 425 vehicles per day (2013 count).

How long is Csah 25 over I 35?

The structure is 278 ft (84.8 m) long with a longest span of 86 ft (26.1 m) and a deck 36 ft wide.

Who owns Csah 25 over I 35?

It is owned by the State Highway Agency.