US Bridges

Csah 8 over Little Beaver Creek

Good

Rock County, Minnesota · 0.1 MI W of JCT Csah 11 · Structure no. 92710

Built
1970
55 years old
Condition
Good
inspected October 2021
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
309
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 8 over Little Beaver Creek is a concrete culvert carrying Csah 8 over Little Beaver Creek in Rock County, Minnesota. It was built in 1970, so it is 55 years old, older 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 309 vehicles a day, projected to reach 250 by 2042. The structure is 29 ft (8.7 m) long. If it were closed, the detour would be 16.2 mi (26 km).

CarriesCsah 8
CrossesLittle Beaver Creek
Location0.1 MI W of JCT Csah 11
RouteCounty Highway 8
Coordinates43.68918, -96.27464
Functional classRural Local

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 inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating39.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length29 ft (8.7 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 traffic309 (2022)
Projected traffic250 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 Little Beaver Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Csah 8 over Little Beaver Creek 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 October 2021.

How much traffic does Csah 8 over Little Beaver Creek carry?

About 309 vehicles per day (2022 count).

How long is Csah 8 over Little Beaver Creek?

The structure is 29 ft (8.7 m) long with a longest span of 13 ft (3.9 m).

Who owns Csah 8 over Little Beaver Creek?

It is owned by the County Highway Agency.