US Bridges

Csah 8 over Jd 1A

Good

Sibley County, Minnesota · 0.4 MI E of JCT Csah 24 · Structure no. 72J53

Built
2009
16 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
162
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 8 over Jd 1A is a concrete culvert carrying Csah 8 over Jd 1A in Sibley County, Minnesota. It was built in 2009, so it is 16 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 162 vehicles a day, projected to reach 155 by 2042. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCsah 8
CrossesJd 1A
Location0.4 MI E of JCT Csah 24
RouteCounty Highway 8
Coordinates44.47105, -94.40431
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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionDecember 2024
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 length30 ft (9.1 m)
Longest span14 ft (4.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic162 (2022)
Projected traffic155 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Jd 1A built?

It was built in 2009, making it 16 years old in 2025.

What condition is Csah 8 over Jd 1A 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 8 over Jd 1A carry?

About 162 vehicles per day (2022 count).

How long is Csah 8 over Jd 1A?

The structure is 30 ft (9.1 m) long with a longest span of 14 ft (4.2 m).

Who owns Csah 8 over Jd 1A?

It is owned by the County Highway Agency.