US Bridges

I 35 over City ST

Fair

Freeborn County, Minnesota · 1.7 MI S of JCT TH 90 · Structure no. 24833

Built
1971
54 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
285 ft
4 main spans
Daily traffic
9,150
2013 count
Owner
State
State Highway Agency

About this bridge

I 35 over City ST is a prestressed concrete stringer/multi-beam or girder carrying I 35 over City ST in Freeborn County, Minnesota. It was built in 1971, so it is 54 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 9,150 vehicles a day, roughly 21% of them trucks, projected to reach 9,150 by 2039. The structure is 285 ft (87 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 35
CrossesCity ST
Location1.7 MI S of JCT TH 90
RouteInterstate 35
Coordinates43.6589, -93.31991
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.7 US tons
Inventory rating26.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length285 ft (87 m)
Longest span85 ft (25.8 m)
Deck width45 ft (13.6 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,150 (2013)
Projected traffic9,150 by 2039
Trucks21%
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 City ST built?

It was built in 1971, making it 54 years old in 2025.

What condition is I 35 over City ST 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 City ST carry?

About 9,150 vehicles per day (2013 count), of which roughly 21% are trucks.

How long is I 35 over City ST?

The structure is 285 ft (87 m) long with a longest span of 85 ft (25.8 m) and a deck 45 ft wide.

Who owns I 35 over City ST?

It is owned by the State Highway Agency.