US Bridges

Mn 23 over Tcw Rail; ST

Good

Chippewa County, Minnesota · 0.5 MI N of JCT TH 212 · Structure no. 12001

Built
1975
50 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
250 ft
4 main spans
Daily traffic
3,005
2021 count
Owner
State
State Highway Agency

About this bridge

Mn 23 over Tcw Rail; ST is a prestressed concrete stringer/multi-beam or girder carrying Mn 23 over Tcw Rail; ST in Chippewa County, Minnesota. It was built in 1975, so it is 50 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 3,005 vehicles a day, roughly 22% of them trucks, projected to reach 2,700 by 2041. The structure is 250 ft (76.1 m) long and 50 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesMn 23
CrossesTcw Rail; ST
Location0.5 MI N of JCT TH 212
RouteState Highway 23
Coordinates44.80365, -95.48406
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 alignment7: Better than present minimum criteria
Operating rating68.9 US tons
Inventory rating41.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length250 ft (76.1 m)
Longest span66 ft (20.1 m)
Deck width50 ft (15.3 m)
Roadway width47 ft (14.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,005 (2021)
Projected traffic2,700 by 2041
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed6.2 mi (10 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 23 over Tcw Rail; ST built?

It was built in 1975, making it 50 years old in 2025.

What condition is Mn 23 over Tcw Rail; ST 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 23 over Tcw Rail; ST carry?

About 3,005 vehicles per day (2021 count), of which roughly 22% are trucks.

How long is Mn 23 over Tcw Rail; ST?

The structure is 250 ft (76.1 m) long with a longest span of 66 ft (20.1 m) and a deck 50 ft wide.

Who owns Mn 23 over Tcw Rail; ST?

It is owned by the State Highway Agency.