US Bridges

Rs 1451 - Road 7 over Unnamed Drain

Fair

Gray County, Kansas · 0.5E 9.0N of Charleston · Structure no. 000000000350200

Built
1985
40 years old
Condition
Fair
inspected January 2023
Type
Culvert
Concrete
Length
28 ft
3 main spans
Daily traffic
180
2021 count
Owner
County
County Highway Agency

About this bridge

Rs 1451 - Road 7 over Unnamed Drain is a concrete culvert carrying Rs 1451 - Road 7 over Unnamed Drain in Gray County, Kansas. It was built in 1985, so it is 40 years old, younger 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 180 vehicles a day, roughly 10% of them trucks, projected to reach 265 by 2041. The structure is 28 ft (8.4 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesRs 1451 - Road 7
CrossesUnnamed Drain
Location0.5E 9.0N of Charleston
RouteCounty Highway 1451
StateKansas
Coordinates37.99354, -100.55489
Functional classRural Major 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating47.4 US tons
Inventory rating28.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length28 ft (8.4 m)
Longest span8 ft (2.4 m)
Deck width35 ft (10.7 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic180 (2021)
Projected traffic265 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Rs 1451 - Road 7 over Unnamed Drain built?

It was built in 1985, making it 40 years old in 2025.

What condition is Rs 1451 - Road 7 over Unnamed Drain 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 January 2023.

How much traffic does Rs 1451 - Road 7 over Unnamed Drain carry?

About 180 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Rs 1451 - Road 7 over Unnamed Drain?

The structure is 28 ft (8.4 m) long with a longest span of 8 ft (2.4 m) and a deck 35 ft wide.

Who owns Rs 1451 - Road 7 over Unnamed Drain?

It is owned by the County Highway Agency.