US Bridges

I 35 over TH 60

Fair

Rice County, Minnesota · At the JCT of TH 60 · Structure no. 66811

Built
1973
52 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
303 ft
4 main spans
Daily traffic
14,750
2016 count
Owner
State
State Highway Agency

About this bridge

I 35 over TH 60 is a prestressed concrete stringer/multi-beam or girder carrying I 35 over TH 60 in Rice County, Minnesota. It was built in 1973, so it is 52 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 14,750 vehicles a day, roughly 18% of them trucks, projected to reach 14,750 by 2039. The structure is 303 ft (92.5 m) long and 46 ft wide.

CarriesI 35
CrossesTH 60
LocationAt the JCT of TH 60
RouteInterstate 35
Coordinates44.29167, -93.30914
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.6 US tons
Inventory rating32.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length303 ft (92.5 m)
Longest span78 ft (23.7 m)
Deck width46 ft (14.1 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,750 (2016)
Projected traffic14,750 by 2039
Trucks18%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 TH 60 built?

It was built in 1973, making it 52 years old in 2025.

What condition is I 35 over TH 60 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 August 2023.

How much traffic does I 35 over TH 60 carry?

About 14,750 vehicles per day (2016 count), of which roughly 18% are trucks.

How long is I 35 over TH 60?

The structure is 303 ft (92.5 m) long with a longest span of 78 ft (23.7 m) and a deck 46 ft wide.

Who owns I 35 over TH 60?

It is owned by the State Highway Agency.