US Bridges

Csah 24 over Roberts Creek

Good

Mower County, Minnesota · 0.2 MI N of JCT Csah 46 · Structure no. 50J37

Built
2000
25 years old
Condition
Good
inspected May 2021
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
475
2016 count
Owner
County
County Highway Agency

About this bridge

Csah 24 over Roberts Creek is a concrete culvert carrying Csah 24 over Roberts Creek in Mower County, Minnesota. It was built in 2000, so it is 25 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 475 vehicles a day, projected to reach 475 by 2039. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCsah 24
CrossesRoberts Creek
Location0.2 MI N of JCT Csah 46
RouteCounty Highway 24
Coordinates43.67738, -92.90906
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 inspectionMay 2021
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 alignment8: Equal to present desirable 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 length31 ft (9.4 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 traffic475 (2016)
Projected traffic475 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 24 over Roberts Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is Csah 24 over Roberts 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 May 2021.

How much traffic does Csah 24 over Roberts Creek carry?

About 475 vehicles per day (2016 count).

How long is Csah 24 over Roberts Creek?

The structure is 31 ft (9.4 m) long with a longest span of 10 ft (3 m).

Who owns Csah 24 over Roberts Creek?

It is owned by the County Highway Agency.