US Bridges

Csah 28 over Forest Prairie Creek

Fair

Le Sueur County, Minnesota · 0.4 MI W of JCT Csah 33 · Structure no. 5556

Built
1935
90 years old
Condition
Fair
inspected October 2022
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
625
2021 count
Owner
County
County Highway Agency

About this bridge

Csah 28 over Forest Prairie Creek is a concrete culvert carrying Csah 28 over Forest Prairie Creek in Le Sueur County, Minnesota. It was built in 1935, so it is 90 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 625 vehicles a day, projected to reach 590 by 2041. The structure is 23 ft (6.9 m) long. If it were closed, the detour would be 16.2 mi (26 km).

Location

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CarriesCsah 28
CrossesForest Prairie Creek
Location0.4 MI W of JCT Csah 33
RouteCounty Highway 28
CountyLe Sueur County
StateMinnesota
Coordinates44.50022, -93.80655
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 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable 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 spans2
Design loadUnknown
Structure length23 ft (6.9 m)
Longest span10 ft (3.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic625 (2021)
Projected traffic590 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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$493.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 28 over Forest Prairie Creek built?

It was built in 1935, making it 90 years old in 2025.

What condition is Csah 28 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 2022.

How much traffic does Csah 28 over Forest Prairie Creek carry?

About 625 vehicles per day (2021 count).

How long is Csah 28 over Forest Prairie Creek?

The structure is 23 ft (6.9 m) long with a longest span of 10 ft (3.2 m).

Who owns Csah 28 over Forest Prairie Creek?

It is owned by the County Highway Agency.