US Bridges

Csah 24 over Dobbins Creek

Fair

Mower County, Minnesota · 1.1 MI N of JCT Csah 46 · Structure no. 50J75

Built
2005
20 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
41 ft
3 main spans
Daily traffic
475
2016 count
Owner
County
County Highway Agency

About this bridge

Csah 24 over Dobbins Creek is a concrete culvert carrying Csah 24 over Dobbins Creek in Mower County, Minnesota. It was built in 2005, so it is 20 years old, younger 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 475 vehicles a day, projected to reach 475 by 2039. The structure is 41 ft (12.6 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCsah 24
CrossesDobbins Creek
Location1.1 MI N of JCT Csah 46
RouteCounty Highway 24
CountyMower County
StateMinnesota
Coordinates43.69049, -92.90911
Functional classRural Minor 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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior 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 length41 ft (12.6 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 traffic475 (2016)
Projected traffic475 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 24 over Dobbins Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is Csah 24 over Dobbins 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 May 2024.

How much traffic does Csah 24 over Dobbins Creek carry?

About 475 vehicles per day (2016 count).

How long is Csah 24 over Dobbins Creek?

The structure is 41 ft (12.6 m) long with a longest span of 12 ft (3.7 m).

Who owns Csah 24 over Dobbins Creek?

It is owned by the County Highway Agency.