US Bridges

Csah 22 over Forest Prairie Creek

Fair

Le Sueur County, Minnesota · 0.3 MI N of JCT Csah 28 · Structure no. 9296

Built
1960
65 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete Continuous
Length
124 ft
4 main spans
Daily traffic
2,616
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 22 over Forest Prairie Creek is a concrete continuous slab carrying Csah 22 over Forest Prairie Creek in Le Sueur County, Minnesota. It was built in 1960, so it is 65 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 2,616 vehicles a day, roughly 8% of them trucks, projected to reach 3,000 by 2042. The structure is 124 ft (37.7 m) long and 39 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCsah 22
CrossesForest Prairie Creek
Location0.3 MI N of JCT Csah 28
RouteCounty Highway 22
Coordinates44.48043, -93.89909
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.5 US tons
Inventory rating40.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length124 ft (37.7 m)
Longest span31 ft (9.5 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,616 (2022)
Projected traffic3,000 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$1,000 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 22 over Forest Prairie Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Csah 22 over Forest Prairie 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 2024.

How much traffic does Csah 22 over Forest Prairie Creek carry?

About 2,616 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Csah 22 over Forest Prairie Creek?

The structure is 124 ft (37.7 m) long with a longest span of 31 ft (9.5 m) and a deck 39 ft wide.

Who owns Csah 22 over Forest Prairie Creek?

It is owned by the County Highway Agency.