US Bridges

Rs 963 - RD 11 over Trib. to Rattlesnake Ck.

Fair

Kiowa County, Kansas · 5.0S of Mullinville · Structure no. 000000000490080

Built
1940
85 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
135
2021 count
Owner
County
County Highway Agency

About this bridge

Rs 963 - RD 11 over Trib. to Rattlesnake Ck. is a concrete culvert carrying Rs 963 - RD 11 over Trib. to Rattlesnake Ck. in Kiowa County, Kansas. It was built in 1940, so it is 85 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 135 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2046. The structure is 21 ft (6.3 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesRs 963 - RD 11
CrossesTrib. to Rattlesnake Ck.
Location5.0S of Mullinville
RouteCounty Highway 963
StateKansas
Coordinates37.50928, -99.46602
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 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 adequacy2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic135 (2021)
Projected traffic160 by 2046
Trucks10%
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 Rs 963 - RD 11 over Trib. to Rattlesnake Ck. built?

It was built in 1940, making it 85 years old in 2025.

What condition is Rs 963 - RD 11 over Trib. to Rattlesnake Ck. 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 December 2024.

How much traffic does Rs 963 - RD 11 over Trib. to Rattlesnake Ck. carry?

About 135 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Rs 963 - RD 11 over Trib. to Rattlesnake Ck.?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m) and a deck 28 ft wide.

Who owns Rs 963 - RD 11 over Trib. to Rattlesnake Ck.?

It is owned by the County Highway Agency.