US Bridges

Csah 12 over ST James Creek

Fair

Watonwan County, Minnesota · 0.3 MI E of JCT Csah 27 · Structure no. 5972

Built
1941
84 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
2,200
2016 count
Owner
County
County Highway Agency

About this bridge

Csah 12 over ST James Creek is a concrete culvert carrying Csah 12 over ST James Creek in Watonwan County, Minnesota. It was built in 1941, so it is 84 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 6 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 2,200 vehicles a day, projected to reach 2,200 by 2035. The structure is 23 ft (6.9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCsah 12
CrossesST James Creek
Location0.3 MI E of JCT Csah 27
RouteCounty Highway 12
CountyWatonwan County
StateMinnesota
Coordinates43.97873, -94.61251
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.1 US tons
Inventory rating55.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length23 ft (6.9 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,200 (2016)
Projected traffic2,200 by 2035
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$136 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 12 over ST James Creek built?

It was built in 1941, making it 84 years old in 2025.

What condition is Csah 12 over ST James Creek 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 October 2023.

How much traffic does Csah 12 over ST James Creek carry?

About 2,200 vehicles per day (2016 count).

How long is Csah 12 over ST James Creek?

The structure is 23 ft (6.9 m) long with a longest span of 10 ft (3 m).

Who owns Csah 12 over ST James Creek?

It is owned by the County Highway Agency.