US Bridges

Csah 9 over Crow Spring(whitewater)

Good

Olmsted County, Minnesota · 1.2 MI E of JCT Csah 10 · Structure no. 55J02

Built
1995
30 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
46 ft
3 main spans
Daily traffic
850
2018 count
Owner
County
County Highway Agency

About this bridge

Csah 9 over Crow Spring(whitewater) is a concrete culvert carrying Csah 9 over Crow Spring(whitewater) in Olmsted County, Minnesota. It was built in 1995, so it is 30 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 850 vehicles a day, projected to reach 841 by 2038. The structure is 46 ft (14.1 m) long. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesCsah 9
CrossesCrow Spring(whitewater)
Location1.2 MI E of JCT Csah 10
RouteCounty Highway 9
CountyOlmsted County
StateMinnesota
Coordinates44.02038, -92.11566
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum 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 length46 ft (14.1 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 traffic850 (2018)
Projected traffic841 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 9 over Crow Spring(whitewater) built?

It was built in 1995, making it 30 years old in 2025.

What condition is Csah 9 over Crow Spring(whitewater) 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 2023.

How much traffic does Csah 9 over Crow Spring(whitewater) carry?

About 850 vehicles per day (2018 count).

How long is Csah 9 over Crow Spring(whitewater)?

The structure is 46 ft (14.1 m) long with a longest span of 12 ft (3.7 m).

Who owns Csah 9 over Crow Spring(whitewater)?

It is owned by the County Highway Agency.