US Bridges

I 35 over Cannon River

Fair

Rice County, Minnesota · 0.2 MI N of JCT TH 60 · Structure no. 66814

Built
1973
52 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
133 ft
4 main spans
Daily traffic
14,744
2022 count
Owner
State
State Highway Agency

About this bridge

I 35 over Cannon River is a steel continuous stringer/multi-beam or girder carrying I 35 over Cannon River 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 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 14,744 vehicles a day, roughly 25% of them trucks, projected to reach 14,750 by 2042. The structure is 133 ft (40.6 m) long and 45 ft wide.

Location

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CarriesI 35
CrossesCannon River
Location0.2 MI N of JCT TH 60
RouteInterstate 35
CountyRice County
StateMinnesota
Coordinates44.29546, -93.30903
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.9 US tons
Inventory rating43.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length133 ft (40.6 m)
Longest span36 ft (11 m)
Deck width45 ft (13.6 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,744 (2022)
Projected traffic14,750 by 2042
Trucks25%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I 35 over Cannon River built?

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

What condition is I 35 over Cannon River 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 Cannon River carry?

About 14,744 vehicles per day (2022 count), of which roughly 25% are trucks.

How long is I 35 over Cannon River?

The structure is 133 ft (40.6 m) long with a longest span of 36 ft (11 m) and a deck 45 ft wide.

Who owns I 35 over Cannon River?

It is owned by the State Highway Agency.