US Bridges

4th Rd. | Rs 506 over Salt Creek

PoorPosted for load

Rice County, Kansas · 3.7S of Raymond · Structure no. 000000000800130

Built
1959
66 years old
Condition
Poor
inspected June 2024
Type
Culvert
Concrete
Length
104 ft
5 main spans
Daily traffic
65
2021 count
Owner
County
County Highway Agency

About this bridge

4th Rd. | Rs 506 over Salt Creek is a concrete culvert carrying 4th Rd. | Rs 506 over Salt Creek in Rice County, Kansas. It was built in 1959, so it is 66 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 65 vehicles a day, roughly 5% of them trucks, projected to reach 80 by 2044. The structure is 104 ft (31.6 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries4th Rd. | Rs 506
CrossesSalt Creek
Location3.7S of Raymond
RouteCounty Highway 506
StateKansas
Coordinates38.22922, -98.41764
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.5 US tons
Inventory rating21.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length104 ft (31.6 m)
Longest span20 ft (6 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic65 (2021)
Projected traffic80 by 2044
Trucks5%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$600,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 4th Rd. | Rs 506 over Salt Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is 4th Rd. | Rs 506 over Salt Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does 4th Rd. | Rs 506 over Salt Creek carry?

About 65 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is 4th Rd. | Rs 506 over Salt Creek?

The structure is 104 ft (31.6 m) long with a longest span of 20 ft (6 m) and a deck 29 ft wide.

Who owns 4th Rd. | Rs 506 over Salt Creek?

It is owned by the County Highway Agency.