US Bridges

Rs 1518 O Road over Arkansas River

PoorPosted for load

Pawnee County, Kansas · 5.0E 1.5N of Larned · Structure no. 000000000730460

Built
1975
50 years old
Condition
Poor
inspected January 2024
Type
Tee Beam
Concrete Continuous
Length
563 ft
11 main spans
Daily traffic
200
2018 count
Owner
County
County Highway Agency

About this bridge

Rs 1518 O Road over Arkansas River is a concrete continuous tee beam carrying Rs 1518 O Road over Arkansas River in Pawnee County, Kansas. It was built in 1975, so it is 50 years old, younger 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 200 vehicles a day, roughly 10% of them trucks, projected to reach 240 by 2044. The structure is 563 ft (171.5 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesRs 1518 O Road
CrossesArkansas River
Location5.0E 1.5N of Larned
RouteCounty Highway 1518
StateKansas
Coordinates38.20369, -99.00239
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating35.1 US tons
Inventory rating21.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans11
Design loadHS 15
Structure length563 ft (171.5 m)
Longest span53 ft (16.2 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 traffic200 (2018)
Projected traffic240 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$4,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rs 1518 O Road over Arkansas River built?

It was built in 1975, making it 50 years old in 2025.

What condition is Rs 1518 O Road over Arkansas River 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 January 2024.

How much traffic does Rs 1518 O Road over Arkansas River carry?

About 200 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is Rs 1518 O Road over Arkansas River?

The structure is 563 ft (171.5 m) long with a longest span of 53 ft (16.2 m) and a deck 30 ft wide.

Who owns Rs 1518 O Road over Arkansas River?

It is owned by the County Highway Agency.