US Bridges

10th RD over Unnamed Stream

Fair

Lincoln County, Kansas · 6.7W 3.5N of Ash Grove · Structure no. 000530697004106

Built
1935
90 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
30
2022 count
Owner
County
County Highway Agency

About this bridge

10th RD over Unnamed Stream is a concrete culvert carrying 10th RD over Unnamed Stream in Lincoln County, Kansas. It was built in 1935, so it is 90 years old, older than the Kansas average of 52.8 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 30 vehicles a day, roughly 5% of them trucks, projected to reach 35 by 2044. The structure is 21 ft (6.3 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Carries10th RD
CrossesUnnamed Stream
Location6.7W 3.5N of Ash Grove
RouteCounty Highway 0
StateKansas
Coordinates39.1975, -98.49
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be 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
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width26 ft (7.9 m)
Roadway width23 ft (7 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic30 (2022)
Projected traffic35 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 10th RD over Unnamed Stream built?

It was built in 1935, making it 90 years old in 2025.

What condition is 10th RD over Unnamed Stream 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 2024.

How much traffic does 10th RD over Unnamed Stream carry?

About 30 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is 10th RD over Unnamed Stream?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m) and a deck 26 ft wide.

Who owns 10th RD over Unnamed Stream?

It is owned by the County Highway Agency.