US Bridges

4th Rd. | Rs 506 over Arkansas River

Fair

Rice County, Kansas · 0.5S of Raymond · Structure no. 000000000800140

Built
1984
41 years old
Condition
Fair
inspected June 2024
Type
Tee Beam
Prestressed Concrete Continuous
Length
480 ft
9 main spans
Daily traffic
50
2021 count
Owner
County
County Highway Agency

About this bridge

4th Rd. | Rs 506 over Arkansas River is a prestressed concrete continuous tee beam carrying 4th Rd. | Rs 506 over Arkansas River in Rice County, Kansas. It was built in 1984, so it is 41 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 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 50 vehicles a day, roughly 5% of them trucks, projected to reach 60 by 2042. The structure is 480 ft (146.2 m) long and 30 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

Location

Open in Google Maps
Carries4th Rd. | Rs 506
CrossesArkansas River
Location0.5S of Raymond
RouteCounty Highway 506
CountyRice County
StateKansas
Coordinates38.26958, -98.41601
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.7 US tons
Inventory rating28.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans9
Design loadH 20
Structure length480 ft (146.2 m)
Longest span53 ft (16.1 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic50 (2021)
Projected traffic60 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 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 4th Rd. | Rs 506 over Arkansas River built?

It was built in 1984, making it 41 years old in 2025.

What condition is 4th Rd. | Rs 506 over Arkansas River 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 June 2024.

How much traffic does 4th Rd. | Rs 506 over Arkansas River carry?

About 50 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is 4th Rd. | Rs 506 over Arkansas River?

The structure is 480 ft (146.2 m) long with a longest span of 53 ft (16.1 m) and a deck 30 ft wide.

Who owns 4th Rd. | Rs 506 over Arkansas River?

It is owned by the County Highway Agency.