US Bridges

I 35 over TH 27; Trail

Fair

Carlton County, Minnesota · 1.4 MI N of JCT TH 73 · Structure no. 09835

Built
1968
57 years old
Condition
Fair
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, 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 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 8,200 vehicles a day, roughly 7% of them trucks, projected to reach 8,200 by 2039. The structure is 271 ft (82.5 m) long and 42 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
Coordinates46.45317, -92.73002
Functional classRural 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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating53.1 US tons
Inventory rating31.7 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 width42 ft (12.8 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,200 (2016)
Projected traffic8,200 by 2039
Trucks7%
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.

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

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

About 8,200 vehicles per day (2016 count), of which roughly 7% 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 42 ft wide.

Who owns I 35 over TH 27; Trail?

It is owned by the State Highway Agency.