US Bridges

Csah 1 over Okabena Creek

Good

Jackson County, Minnesota · 0.4 MI N of JCT Csah 12 · Structure no. 93132

Built
1974
51 years old
Condition
Good
inspected October 2022
Type
Culvert
Concrete
Length
32 ft
2 main spans
Daily traffic
870
2016 count
Owner
County
County Highway Agency

About this bridge

Csah 1 over Okabena Creek is a concrete culvert carrying Csah 1 over Okabena Creek in Jackson County, Minnesota. It was built in 1974, so it is 51 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 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 870 vehicles a day, projected to reach 870 by 2039. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCsah 1
CrossesOkabena Creek
Location0.4 MI N of JCT Csah 12
RouteCounty Highway 1
Coordinates43.65035, -95.45366
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.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 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 alignment7: Better than present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length32 ft (9.8 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 traffic870 (2016)
Projected traffic870 by 2039
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$80 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 1 over Okabena Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is Csah 1 over Okabena 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 2022.

How much traffic does Csah 1 over Okabena Creek carry?

About 870 vehicles per day (2016 count).

How long is Csah 1 over Okabena Creek?

The structure is 32 ft (9.8 m) long with a longest span of 14 ft (4.3 m).

Who owns Csah 1 over Okabena Creek?

It is owned by the County Highway Agency.