US Bridges

I 35 over ST Croix Valley RR

Good

Pine County, Minnesota · 2.0 MI S of JCT TH 48 · Structure no. 58821

Built
2016
9 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
230 ft
3 main spans
Daily traffic
11,998
2022 count
Owner
State
State Highway Agency

About this bridge

I 35 over ST Croix Valley RR is a prestressed concrete stringer/multi-beam or girder carrying I 35 over ST Croix Valley RR in Pine County, Minnesota. It was built in 2016, so it is 9 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 11,998 vehicles a day, projected to reach 9,150 by 2042. The structure is 230 ft (70 m) long and 45 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesI 35
CrossesST Croix Valley RR
Location2.0 MI S of JCT TH 48
RouteInterstate 35
Coordinates45.98582, -92.94776
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.4 US tons
Inventory rating46.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length230 ft (70 m)
Longest span84 ft (25.5 m)
Deck width45 ft (13.8 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,998 (2022)
Projected traffic9,150 by 2042
Trucks—
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.1 mi (5 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 ST Croix Valley RR built?

It was built in 2016, making it 9 years old in 2025.

What condition is I 35 over ST Croix Valley RR 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 October 2023.

How much traffic does I 35 over ST Croix Valley RR carry?

About 11,998 vehicles per day (2022 count).

How long is I 35 over ST Croix Valley RR?

The structure is 230 ft (70 m) long with a longest span of 84 ft (25.5 m) and a deck 45 ft wide.

Who owns I 35 over ST Croix Valley RR?

It is owned by the State Highway Agency.