US Bridges

Mn 7 over BNSF Rail

Good

Chippewa County, Minnesota · 0.3 MI W of JCT TH 23 · Structure no. 12007

Built
1985
40 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
273 ft
3 main spans
Daily traffic
3,506
2022 count
Owner
State
State Highway Agency

About this bridge

Mn 7 over BNSF Rail is a steel continuous stringer/multi-beam or girder carrying Mn 7 over BNSF Rail in Chippewa County, Minnesota. It was built in 1985, so it is 40 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 3,506 vehicles a day, roughly 31% of them trucks, projected to reach 3,100 by 2042. The structure is 273 ft (83.3 m) long and 64 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesMn 7
CrossesBNSF Rail
Location0.3 MI W of JCT TH 23
RouteState Highway 7
Coordinates44.94906, -95.38048
Functional classRural Principal Arterial - Other

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.
Last inspectionSeptember 2023
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 rating66.4 US tons
Inventory rating39.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length273 ft (83.3 m)
Longest span98 ft (29.9 m)
Deck width64 ft (19.6 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,506 (2022)
Projected traffic3,100 by 2042
Trucks31%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemYes

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 Mn 7 over BNSF Rail built?

It was built in 1985, making it 40 years old in 2025.

What condition is Mn 7 over BNSF Rail 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 Mn 7 over BNSF Rail carry?

About 3,506 vehicles per day (2022 count), of which roughly 31% are trucks.

How long is Mn 7 over BNSF Rail?

The structure is 273 ft (83.3 m) long with a longest span of 98 ft (29.9 m) and a deck 64 ft wide.

Who owns Mn 7 over BNSF Rail?

It is owned by the State Highway Agency.