US Bridges

Csah 8 over Mid Br Rush R (cd 54)

Good

Sibley County, Minnesota · 1.5 MI E of JCT TH 22 · Structure no. 72J77

Built
2021
4 years old
Condition
Good
inspected September 2022
Type
Culvert
Concrete
Length
47 ft
3 main spans
Daily traffic
840
2018 count
Owner
County
County Highway Agency

About this bridge

Csah 8 over Mid Br Rush R (cd 54) is a concrete culvert carrying Csah 8 over Mid Br Rush R (cd 54) in Sibley County, Minnesota. It was built in 2021, so it is 4 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 840 vehicles a day, projected to reach 840 by 2038. The structure is 47 ft (14.3 m) long. If it were closed, the detour would be 9.9 mi (16 km).

CarriesCsah 8
CrossesMid Br Rush R (cd 54)
Location1.5 MI E of JCT TH 22
RouteCounty Highway 8
Coordinates44.48549, -94.18071
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 inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length47 ft (14.3 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 traffic840 (2018)
Projected traffic840 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 8 over Mid Br Rush R (cd 54) built?

It was built in 2021, making it 4 years old in 2025.

What condition is Csah 8 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 September 2022.

How much traffic does Csah 8 over Mid Br Rush R (cd 54) carry?

About 840 vehicles per day (2018 count).

How long is Csah 8 over Mid Br Rush R (cd 54)?

The structure is 47 ft (14.3 m) long with a longest span of 14 ft (4.3 m).

Who owns Csah 8 over Mid Br Rush R (cd 54)?

It is owned by the County Highway Agency.