US Bridges

Csah 28 over Forest Prairie Creek

Good

Le Sueur County, Minnesota · 0.3 MI NE of JCT TH 112 · Structure no. 40J04

Built
1999
26 years old
Condition
Good
inspected October 2022
Type
Culvert
Concrete
Length
42 ft
3 main spans
Daily traffic
928
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 1999, so it is 26 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 928 vehicles a day, projected to reach 1,150 by 2041. The structure is 42 ft (12.8 m) long. If it were closed, the detour would be 14.9 mi (24 km).

CarriesCsah 28
CrossesForest Prairie Creek
Location0.3 MI NE of JCT TH 112
RouteCounty Highway 28
Coordinates44.47977, -93.8966
Functional classRural Major 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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.6 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length42 ft (12.8 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic928 (2021)
Projected traffic1,150 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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$648.9 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 28 over Forest Prairie Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Csah 28 over Forest Prairie Creek 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 October 2022.

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

About 928 vehicles per day (2021 count).

How long is Csah 28 over Forest Prairie Creek?

The structure is 42 ft (12.8 m) long with a longest span of 12 ft (3.7 m).

Who owns Csah 28 over Forest Prairie Creek?

It is owned by the County Highway Agency.