US Bridges

Csah 9 over Mid Br Rush R (cd 54)

Good

Sibley County, Minnesota · 1.9 MI N of JCT Csah 8 · Structure no. 72J07

Built
1997
28 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
41 ft
3 main spans
Daily traffic
790
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 9 over Mid Br Rush R (cd 54) is a concrete culvert carrying Csah 9 over Mid Br Rush R (cd 54) in Sibley County, Minnesota. It was built in 1997, so it is 28 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 790 vehicles a day, projected to reach 660 by 2042. The structure is 41 ft (12.4 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCsah 9
CrossesMid Br Rush R (cd 54)
Location1.9 MI N of JCT Csah 8
RouteCounty Highway 9
Coordinates44.49916, -94.09051
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 inspectionDecember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum 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 length41 ft (12.4 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 traffic790 (2022)
Projected traffic660 by 2042
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 9 over Mid Br Rush R (cd 54) built?

It was built in 1997, making it 28 years old in 2025.

What condition is Csah 9 over Mid Br Rush R (cd 54) 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 December 2024.

How much traffic does Csah 9 over Mid Br Rush R (cd 54) carry?

About 790 vehicles per day (2022 count).

How long is Csah 9 over Mid Br Rush R (cd 54)?

The structure is 41 ft (12.4 m) long with a longest span of 12 ft (3.7 m).

Who owns Csah 9 over Mid Br Rush R (cd 54)?

It is owned by the County Highway Agency.