US Bridges

Csah 34 over Little Sioux River

Good

Jackson County, Minnesota · 14.7 MI W of Jackson · Structure no. 32J30

Built
2004
21 years old
Condition
Good
inspected November 2022
Type
Culvert
Concrete
Length
42 ft
3 main spans
Daily traffic
430
2012 count
Owner
County
County Highway Agency

About this bridge

Csah 34 over Little Sioux River is a concrete culvert carrying Csah 34 over Little Sioux River in Jackson County, Minnesota. It was built in 2004, so it is 21 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 430 vehicles a day, projected to reach 430 by 2039. The structure is 42 ft (12.7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCsah 34
CrossesLittle Sioux River
Location14.7 MI W of Jackson
RouteCounty Highway 34
Coordinates43.61663, -95.26955
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 length42 ft (12.7 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 traffic430 (2012)
Projected traffic430 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 34 over Little Sioux River built?

It was built in 2004, making it 21 years old in 2025.

What condition is Csah 34 over Little Sioux 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 November 2022.

How much traffic does Csah 34 over Little Sioux River carry?

About 430 vehicles per day (2012 count).

How long is Csah 34 over Little Sioux River?

The structure is 42 ft (12.7 m) long with a longest span of 14 ft (4.3 m).

Who owns Csah 34 over Little Sioux River?

It is owned by the County Highway Agency.