US Bridges

Rs 1505 E.4-35.0 over Rock Creek

FairPosted for load

Lyon County, Kansas · 2.0S 6.0W of Olpe · Structure no. 000000000560620

Built
1958
67 years old
Condition
Fair
inspected February 2023
Type
Tee Beam
Concrete Continuous
Length
135 ft
3 main spans
Daily traffic
50
2007 count
Owner
County
County Highway Agency

About this bridge

Rs 1505 E.4-35.0 over Rock Creek is a concrete continuous tee beam carrying Rs 1505 E.4-35.0 over Rock Creek in Lyon County, Kansas. It was built in 1958, so it is 67 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. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, projected to reach 60 by 2043. The structure is 135 ft (41 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesRs 1505 E.4-35.0
CrossesRock Creek
Location2.0S 6.0W of Olpe
RouteCounty Highway 1505
StateKansas
Coordinates38.23072, -96.27678
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating26.2 US tons
Inventory rating15.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length135 ft (41 m)
Longest span52 ft (15.8 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic50 (2007)
Projected traffic60 by 2043
Trucks0%
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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$214,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Rs 1505 E.4-35.0 over Rock Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is Rs 1505 E.4-35.0 over Rock 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 2023.

How much traffic does Rs 1505 E.4-35.0 over Rock Creek carry?

About 50 vehicles per day (2007 count).

How long is Rs 1505 E.4-35.0 over Rock Creek?

The structure is 135 ft (41 m) long with a longest span of 52 ft (15.8 m) and a deck 27 ft wide.

Who owns Rs 1505 E.4-35.0 over Rock Creek?

It is owned by the County Highway Agency.