US Bridges

Csah 19 over Shanaska Creek

Fair

Le Sueur County, Minnesota · 1.0 MI S of JCT Csah 18 · Structure no. 93487

Built
1974
51 years old
Condition
Fair
inspected October 2022
Type
Culvert
Concrete
Length
21 ft
1 main span
Daily traffic
1,418
2021 count
Owner
County
County Highway Agency

About this bridge

Csah 19 over Shanaska Creek is a concrete culvert carrying Csah 19 over Shanaska Creek in Le Sueur County, Minnesota. It was built in 1974, so it is 51 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 1,418 vehicles a day, projected to reach 1,450 by 2041. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesCsah 19
CrossesShanaska Creek
Location1.0 MI S of JCT Csah 18
RouteCounty Highway 19
CountyLe Sueur County
StateMinnesota
Coordinates44.27596, -93.90655
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating39.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1 (+1 approach)
Design loadHS 20
Structure length21 ft (6.3 m)
Longest span13 ft (3.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,418 (2021)
Projected traffic1,450 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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$172.7 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 19 over Shanaska Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is Csah 19 over Shanaska 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 2022.

How much traffic does Csah 19 over Shanaska Creek carry?

About 1,418 vehicles per day (2021 count).

How long is Csah 19 over Shanaska Creek?

The structure is 21 ft (6.3 m) long with a longest span of 13 ft (3.9 m).

Who owns Csah 19 over Shanaska Creek?

It is owned by the County Highway Agency.