US Bridges

Csah 18 over Okabena Creek

Good

Jackson County, Minnesota · 2.7 MI E of JCT Csah 47 · Structure no. 32581

Built
2023
2 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
95 ft
3 main spans
Daily traffic
291
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 18 over Okabena Creek is a prestressed concrete stringer/multi-beam or girder carrying Csah 18 over Okabena Creek in Jackson County, Minnesota. It was built in 2023, so it is 2 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 291 vehicles a day, projected to reach 350 by 2042. The structure is 95 ft (29 m) long and 39 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCsah 18
CrossesOkabena Creek
Location2.7 MI E of JCT Csah 47
RouteCounty Highway 18
CountyJackson County
StateMinnesota
Coordinates43.70307, -95.39784
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92.8 US tons
Inventory rating51.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length95 ft (29 m)
Longest span35 ft (10.7 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic291 (2022)
Projected traffic350 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 18 over Okabena Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is Csah 18 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 November 2023.

How much traffic does Csah 18 over Okabena Creek carry?

About 291 vehicles per day (2022 count).

How long is Csah 18 over Okabena Creek?

The structure is 95 ft (29 m) long with a longest span of 35 ft (10.7 m) and a deck 39 ft wide.

Who owns Csah 18 over Okabena Creek?

It is owned by the County Highway Agency.