US Bridges

Csah 8 over Eight Mile Creek (jd 7)

Good

Sibley County, Minnesota · 0.4 MI E of JCT Csah 22 · Structure no. 72J56

Built
2011
14 years old
Condition
Good
inspected August 2022
Type
Culvert
Concrete
Length
28 ft
2 main spans
Daily traffic
91
2021 count
Owner
County
County Highway Agency

About this bridge

Csah 8 over Eight Mile Creek (jd 7) is a concrete culvert carrying Csah 8 over Eight Mile Creek (jd 7) in Sibley County, Minnesota. It was built in 2011, so it is 14 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 91 vehicles a day, projected to reach 140 by 2041. The structure is 28 ft (8.4 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesCsah 8
CrossesEight Mile Creek (jd 7)
Location0.4 MI E of JCT Csah 22
RouteCounty Highway 8
Coordinates44.47044, -94.56592
Functional classRural Minor 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.
Culvert8 Very GoodNo problems noted.
Last inspectionAugust 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum 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 spans2
Design loadHS 25 or greater
Structure length28 ft (8.4 m)
Longest span13 ft (3.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic91 (2021)
Projected traffic140 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 8 over Eight Mile Creek (jd 7) built?

It was built in 2011, making it 14 years old in 2025.

What condition is Csah 8 over Eight Mile Creek (jd 7) 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 August 2022.

How much traffic does Csah 8 over Eight Mile Creek (jd 7) carry?

About 91 vehicles per day (2021 count).

How long is Csah 8 over Eight Mile Creek (jd 7)?

The structure is 28 ft (8.4 m) long with a longest span of 13 ft (3.9 m).

Who owns Csah 8 over Eight Mile Creek (jd 7)?

It is owned by the County Highway Agency.