US Bridges

Csah 25 over Okabena Creek

Good

Nobles County, Minnesota · At the JCT TH 90 · Structure no. 95174

Built
1979
46 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
482 ft
1 main span
Daily traffic
840
2019 count
Owner
State
State Highway Agency

About this bridge

Csah 25 over Okabena Creek is a concrete culvert carrying Csah 25 over Okabena Creek in Nobles County, Minnesota. It was built in 1979, so it is 46 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 840 vehicles a day, roughly 9% of them trucks, projected to reach 2,250 by 2039. The structure is 482 ft (146.9 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesCsah 25
CrossesOkabena Creek
LocationAt the JCT TH 90
RouteCounty Highway 25
Coordinates43.63781, -95.62331
Functional classUrban Minor Arterial

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 inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable 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 spans1
Design loadHS 20
Structure length482 ft (146.9 m)
Longest span482 ft (146.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic840 (2019)
Projected traffic2,250 by 2039
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 25 over Okabena Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is Csah 25 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 September 2024.

How much traffic does Csah 25 over Okabena Creek carry?

About 840 vehicles per day (2019 count), of which roughly 9% are trucks.

How long is Csah 25 over Okabena Creek?

The structure is 482 ft (146.9 m) long with a longest span of 482 ft (146.9 m).

Who owns Csah 25 over Okabena Creek?

It is owned by the State Highway Agency.