US Bridges

Road 18 over Trib. to Salt Creek

Fair

Elk County, Kansas · 9.0N 2.5E of Howard · Structure no. 000000000250480

Built
1952
73 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
150
2019 count
Owner
County
County Highway Agency

About this bridge

Road 18 over Trib. to Salt Creek is a concrete continuous slab carrying Road 18 over Trib. to Salt Creek in Elk County, Kansas. It was built in 1952, so it is 73 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.

It carries about 150 vehicles a day, roughly 10% of them trucks, projected to reach 180 by 2044. The structure is 26 ft (8 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRoad 18
CrossesTrib. to Salt Creek
Location9.0N 2.5E of Howard
RouteCounty Highway 1578
StateKansas
Coordinates37.59876, -96.21567
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length26 ft (8 m)
Longest span11 ft (3.5 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic150 (2019)
Projected traffic180 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Road 18 over Trib. to Salt Creek built?

It was built in 1952, making it 73 years old in 2025.

What condition is Road 18 over Trib. to Salt 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 August 2024.

How much traffic does Road 18 over Trib. to Salt Creek carry?

About 150 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is Road 18 over Trib. to Salt Creek?

The structure is 26 ft (8 m) long with a longest span of 11 ft (3.5 m) and a deck 28 ft wide.

Who owns Road 18 over Trib. to Salt Creek?

It is owned by the County Highway Agency.