US Bridges

11th RD (10.0-C.9) over Trib. to Big Blue River

Good

Marshall County, Kansas · 1.0W of Oketo · Structure no. 000580897003049

Built
1950
75 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
50
2007 count
Owner
County
County Highway Agency

About this bridge

11th RD (10.0-C.9) over Trib. to Big Blue River is a concrete culvert carrying 11th RD (10.0-C.9) over Trib. to Big Blue River in Marshall County, Kansas. It was built in 1950, so it is 75 years old, older than the Kansas average of 52.8 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 50 vehicles a day, projected to reach 50 by 2043. The structure is 22 ft (6.7 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries11th RD (10.0-C.9)
CrossesTrib. to Big Blue River
Location1.0W of Oketo
RouteCounty Highway 0
StateKansas
Coordinates39.95882, -96.61965
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span10 ft (2.9 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic50 (2007)
Projected traffic50 by 2043
Trucks0%
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 11th RD (10.0-C.9) over Trib. to Big Blue River built?

It was built in 1950, making it 75 years old in 2025.

What condition is 11th RD (10.0-C.9) over Trib. to Big Blue River 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 July 2023.

How much traffic does 11th RD (10.0-C.9) over Trib. to Big Blue River carry?

About 50 vehicles per day (2007 count).

How long is 11th RD (10.0-C.9) over Trib. to Big Blue River?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (2.9 m) and a deck 38 ft wide.

Who owns 11th RD (10.0-C.9) over Trib. to Big Blue River?

It is owned by the County Highway Agency.