US Bridges

Csah 42 over Des Moines River

Good

Murray County, Minnesota · 0.5 MI S of JCT Csah 7 · Structure no. 51528

Built
2001
24 years old
Condition
Good
inspected September 2024
Type
Slab
Concrete Continuous
Length
133 ft
3 main spans
Daily traffic
255
2017 count
Owner
County
County Highway Agency

About this bridge

Csah 42 over Des Moines River is a concrete continuous slab carrying Csah 42 over Des Moines River in Murray County, Minnesota. It was built in 2001, so it is 24 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 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 255 vehicles a day, projected to reach 255 by 2039. The structure is 133 ft (40.5 m) long and 39 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCsah 42
CrossesDes Moines River
Location0.5 MI S of JCT Csah 7
RouteCounty Highway 42
Coordinates43.97146, -95.5428
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating103.2 US tons
Inventory rating61.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length133 ft (40.5 m)
Longest span50 ft (15.2 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic255 (2017)
Projected traffic255 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 42 over Des Moines River built?

It was built in 2001, making it 24 years old in 2025.

What condition is Csah 42 over Des Moines River 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 September 2024.

How much traffic does Csah 42 over Des Moines River carry?

About 255 vehicles per day (2017 count).

How long is Csah 42 over Des Moines River?

The structure is 133 ft (40.5 m) long with a longest span of 50 ft (15.2 m) and a deck 39 ft wide.

Who owns Csah 42 over Des Moines River?

It is owned by the County Highway Agency.