US Bridges

Csah 30 over Prairie Creek

Good

Rice County, Minnesota · 1.4 MI N of JCT CR 88 · Structure no. 66J03

Built
1996
29 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete
Length
40 ft
3 main spans
Daily traffic
230
2016 count
Owner
County
County Highway Agency

About this bridge

Csah 30 over Prairie Creek is a concrete culvert carrying Csah 30 over Prairie Creek in Rice County, Minnesota. It was built in 1996, so it is 29 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 230 vehicles a day, projected to reach 230 by 2039. The structure is 40 ft (12.2 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCsah 30
CrossesPrairie Creek
Location1.4 MI N of JCT CR 88
RouteCounty Highway 30
Coordinates44.38126, -93.12578
Functional classRural Minor 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64.8 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length40 ft (12.2 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 traffic230 (2016)
Projected traffic230 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 30 over Prairie Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is Csah 30 over 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 April 2024.

How much traffic does Csah 30 over Prairie Creek carry?

About 230 vehicles per day (2016 count).

How long is Csah 30 over Prairie Creek?

The structure is 40 ft (12.2 m) long with a longest span of 10 ft (3 m).

Who owns Csah 30 over Prairie Creek?

It is owned by the County Highway Agency.