US Bridges

Csah 1 over Minnesota River Overflow

Good

Renville County, Minnesota · 0.3 MI S of JCT Csah 15 · Structure no. 65543

Built
2000
25 years old
Condition
Good
inspected September 2023
Type
Slab
Concrete Continuous
Length
101 ft
3 main spans
Daily traffic
1,800
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 1 over Minnesota River Overflow is a concrete continuous slab carrying Csah 1 over Minnesota River Overflow in Renville 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 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 1,800 vehicles a day, projected to reach 1,650 by 2039. The structure is 101 ft (30.8 m) long and 42 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesCsah 1
CrossesMinnesota River Overflow
Location0.3 MI S of JCT Csah 15
RouteCounty Highway 1
Coordinates44.57711, -95.08754
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 protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating104.8 US tons
Inventory rating62.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length101 ft (30.8 m)
Longest span38 ft (11.5 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2019)
Projected traffic1,650 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 1 over Minnesota River Overflow built?

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

What condition is Csah 1 over Minnesota River Overflow 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 2023.

How much traffic does Csah 1 over Minnesota River Overflow carry?

About 1,800 vehicles per day (2019 count).

How long is Csah 1 over Minnesota River Overflow?

The structure is 101 ft (30.8 m) long with a longest span of 38 ft (11.5 m) and a deck 42 ft wide.

Who owns Csah 1 over Minnesota River Overflow?

It is owned by the County Highway Agency.