US Bridges

Rs 518 over Creek

Fair

Ottawa County, Kansas · 0.6E of Ada · Structure no. 000000000720270

Built
1930
95 years old, rebuilt 1960
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
48 ft
5 main spans
Daily traffic
415
2000 count
Owner
County
County Highway Agency

About this bridge

Rs 518 over Creek is a concrete culvert carrying Rs 518 over Creek in Ottawa County, Kansas. It was built in 1930 and reconstructed in 1960, so it is 95 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 5 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 415 vehicles a day, roughly 10% of them trucks, projected to reach 450 by 2044. The structure is 48 ft (14.6 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesRs 518
CrossesCreek
Location0.6E of Ada
RouteCounty Highway 518
StateKansas
Coordinates39.15402, -97.87766
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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.7 US tons
Inventory rating25.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadUnknown
Structure length48 ft (14.6 m)
Longest span10 ft (2.9 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic415 (2000)
Projected traffic450 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 518 over Creek built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1960.

What condition is Rs 518 over 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 February 2024.

How much traffic does Rs 518 over Creek carry?

About 415 vehicles per day (2000 count), of which roughly 10% are trucks.

How long is Rs 518 over Creek?

The structure is 48 ft (14.6 m) long with a longest span of 10 ft (2.9 m) and a deck 30 ft wide.

Who owns Rs 518 over Creek?

It is owned by the County Highway Agency.