US Bridges

Csah 12 over Trail; Dm E RR

Good

Blue Earth County, Minnesota · 0.16 MI N of JCT Csah 3 · Structure no. 07589

Built
2010
15 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
219 ft
2 main spans
Daily traffic
1,750
2013 count
Owner
County
County Highway Agency

About this bridge

Csah 12 over Trail; Dm E RR is a prestressed concrete stringer/multi-beam or girder carrying Csah 12 over Trail; Dm E RR in Blue Earth County, Minnesota. It was built in 2010, so it is 15 years old, younger 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 1,750 vehicles a day, projected to reach 1,750 by 2039. The structure is 219 ft (66.6 m) long and 78 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCsah 12
CrossesTrail; Dm E RR
Location0.16 MI N of JCT Csah 3
RouteCounty Highway 12
Coordinates44.18391, -93.9258
Functional classUrban Collector

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 inspectionOctober 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 rating57.1 US tons
Inventory rating44 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length219 ft (66.6 m)
Longest span125 ft (38.1 m)
Deck width78 ft (23.7 m)
Roadway width61 ft (18.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,750 (2013)
Projected traffic1,750 by 2039
Trucks—
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Csah 12 over Trail; Dm E RR built?

It was built in 2010, making it 15 years old in 2025.

What condition is Csah 12 over Trail; Dm E RR 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 October 2024.

How much traffic does Csah 12 over Trail; Dm E RR carry?

About 1,750 vehicles per day (2013 count).

How long is Csah 12 over Trail; Dm E RR?

The structure is 219 ft (66.6 m) long with a longest span of 125 ft (38.1 m) and a deck 78 ft wide.

Who owns Csah 12 over Trail; Dm E RR?

It is owned by the County Highway Agency.