US Bridges

Csah 3 over Okabena Creek

Fair

Nobles County, Minnesota · 1.2 MI S of JCT Csah 36 · Structure no. 91441

Built
1977
48 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
355
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 3 over Okabena Creek is a concrete culvert carrying Csah 3 over Okabena Creek in Nobles County, Minnesota. It was built in 1977, so it is 48 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 355 vehicles a day, projected to reach 330 by 2039. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesCsah 3
CrossesOkabena Creek
Location1.2 MI S of JCT Csah 36
RouteCounty Highway 3
CountyNobles County
StateMinnesota
Coordinates43.64332, -95.51261
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic355 (2019)
Projected traffic330 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 3 over Okabena Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is Csah 3 over Okabena Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

How much traffic does Csah 3 over Okabena Creek carry?

About 355 vehicles per day (2019 count).

How long is Csah 3 over Okabena Creek?

The structure is 30 ft (9.1 m) long with a longest span of 13 ft (4 m).

Who owns Csah 3 over Okabena Creek?

It is owned by the County Highway Agency.