US Bridges

I 35 over TH 27; Trail

Good

Carlton County, Minnesota · 1.4 MI N of JCT TH 73 · Structure no. 09836

Built
1968
57 years old, rebuilt 1990
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
271 ft
4 main spans
Daily traffic
8,200
2016 count
Owner
State
State Highway Agency

About this bridge

I 35 over TH 27; Trail is a steel continuous stringer/multi-beam or girder carrying I 35 over TH 27; Trail in Carlton County, Minnesota. It was built in 1968 and reconstructed in 1990, so it is 57 years old, older 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 8,200 vehicles a day, roughly 6% of them trucks, projected to reach 8,200 by 2036. The structure is 271 ft (82.5 m) long and 51 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 35
CrossesTH 27; Trail
Location1.4 MI N of JCT TH 73
RouteInterstate 35
Coordinates46.4532, -92.72957
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.
Substructure8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.2 US tons
Inventory rating32.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length271 ft (82.5 m)
Longest span74 ft (22.6 m)
Deck width51 ft (15.5 m)
Roadway width48 ft (14.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,200 (2016)
Projected traffic8,200 by 2036
Trucks6%
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 TH 27; Trail built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 1990.

What condition is I 35 over TH 27; Trail 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 May 2024.

How much traffic does I 35 over TH 27; Trail carry?

About 8,200 vehicles per day (2016 count), of which roughly 6% are trucks.

How long is I 35 over TH 27; Trail?

The structure is 271 ft (82.5 m) long with a longest span of 74 ft (22.6 m) and a deck 51 ft wide.

Who owns I 35 over TH 27; Trail?

It is owned by the State Highway Agency.