US Bridges

Csah 3 over Mud Creek

Good

Lyon County, Minnesota · 1.8 MI N of JCT Csah 26 · Structure no. 91994

Built
1980
45 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
34 ft
2 main spans
Daily traffic
420
2014 count
Owner
County
County Highway Agency

About this bridge

Csah 3 over Mud Creek is a concrete culvert carrying Csah 3 over Mud Creek in Lyon County, Minnesota. It was built in 1980, so it is 45 years old, older 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 420 vehicles a day, projected to reach 420 by 2039. The structure is 34 ft (10.3 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCsah 3
CrossesMud Creek
Location1.8 MI N of JCT Csah 26
RouteCounty Highway 3
Coordinates44.62738, -95.99188
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.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating32.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length34 ft (10.3 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic420 (2014)
Projected traffic420 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 3 over Mud Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Csah 3 over Mud 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 2024.

How much traffic does Csah 3 over Mud Creek carry?

About 420 vehicles per day (2014 count).

How long is Csah 3 over Mud Creek?

The structure is 34 ft (10.3 m) long with a longest span of 14 ft (4.3 m).

Who owns Csah 3 over Mud Creek?

It is owned by the County Highway Agency.