US Bridges

I 94 over TH 15

Fair

Stearns County, Minnesota · At the JCT TH 15 · Structure no. 73855

Built
1977
48 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
405 ft
4 main spans
Daily traffic
21,000
2017 count
Owner
State
State Highway Agency

About this bridge

I 94 over TH 15 is a steel continuous stringer/multi-beam or girder carrying I 94 over TH 15 in Stearns County, Minnesota. It was built in 1977, so it is 48 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 5 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 21,000 vehicles a day, roughly 13% of them trucks, projected to reach 21,000 by 2039. The structure is 405 ft (123.4 m) long and 64 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 94
CrossesTH 15
LocationAt the JCT TH 15
RouteInterstate 94
Coordinates45.49827, -94.24015
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.4 US tons
Inventory rating48.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length405 ft (123.4 m)
Longest span109 ft (33.1 m)
Deck width64 ft (19.6 m)
Roadway width60 ft (18.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,000 (2017)
Projected traffic21,000 by 2039
Trucks13%
Lanes on structure3
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 94 over TH 15 built?

It was built in 1977, making it 48 years old in 2025.

What condition is I 94 over TH 15 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 94 over TH 15 carry?

About 21,000 vehicles per day (2017 count), of which roughly 13% are trucks.

How long is I 94 over TH 15?

The structure is 405 ft (123.4 m) long with a longest span of 109 ft (33.1 m) and a deck 64 ft wide.

Who owns I 94 over TH 15?

It is owned by the State Highway Agency.