US Bridges

I 35 over Straight River

Good

Steele County, Minnesota · 0.33 MI S of JCT TH 14;35 · Structure no. 74811

Built
2009
16 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
143 ft
1 main span
Daily traffic
11,009
2022 count
Owner
State
State Highway Agency

About this bridge

I 35 over Straight River is a prestressed concrete stringer/multi-beam or girder carrying I 35 over Straight River in Steele County, Minnesota. It was built in 2009, so it is 16 years old, younger than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 11,009 vehicles a day, projected to reach 11,850 by 2042. The structure is 143 ft (43.6 m) long and 65 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesI 35
CrossesStraight River
Location0.33 MI S of JCT TH 14;35
RouteInterstate 35
CountySteele County
StateMinnesota
Coordinates44.05414, -93.24994
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating109.8 US tons
Inventory rating56.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length143 ft (43.6 m)
Longest span142 ft (43.2 m)
Deck width65 ft (19.7 m)
Roadway width57 ft (17.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,009 (2022)
Projected traffic11,850 by 2042
Trucks—
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I 35 over Straight River built?

It was built in 2009, making it 16 years old in 2025.

What condition is I 35 over Straight River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does I 35 over Straight River carry?

About 11,009 vehicles per day (2022 count).

How long is I 35 over Straight River?

The structure is 143 ft (43.6 m) long with a longest span of 142 ft (43.2 m) and a deck 65 ft wide.

Who owns I 35 over Straight River?

It is owned by the State Highway Agency.