US Bridges

Csah 12 over Trib to S Br Root River

Good

Fillmore County, Minnesota · 1.8 MI W of JCT Csah 14 · Structure no. 23K57

Built
2019
6 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete
Length
34 ft
2 main spans
Daily traffic
115
2013 count
Owner
County
County Highway Agency

About this bridge

Csah 12 over Trib to S Br Root River is a concrete culvert carrying Csah 12 over Trib to S Br Root River in Fillmore County, Minnesota. It was built in 2019, so it is 6 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 115 vehicles a day, projected to reach 115 by 2033. The structure is 34 ft (10.5 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCsah 12
CrossesTrib to S Br Root River
Location1.8 MI W of JCT Csah 14
RouteCounty Highway 12
Coordinates43.65598, -92.14908
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length34 ft (10.5 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic115 (2013)
Projected traffic115 by 2033
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 12 over Trib to S Br Root River built?

It was built in 2019, making it 6 years old in 2025.

What condition is Csah 12 over Trib to S Br Root River 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 April 2024.

How much traffic does Csah 12 over Trib to S Br Root River carry?

About 115 vehicles per day (2013 count).

How long is Csah 12 over Trib to S Br Root River?

The structure is 34 ft (10.5 m) long with a longest span of 16 ft (4.9 m).

Who owns Csah 12 over Trib to S Br Root River?

It is owned by the County Highway Agency.