US Bridges

SW 50th over Fly Creek

Fair

Cherokee County, Kansas · 5.0E of Faulkner · Structure no. 000000000110380

Built
1970
55 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete Continuous
Length
142 ft
3 main spans
Daily traffic
70
2019 count
Owner
County
County Highway Agency

About this bridge

SW 50th over Fly Creek is a concrete continuous slab carrying SW 50th over Fly Creek in Cherokee County, Kansas. It was built in 1970, so it is 55 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 70 vehicles a day, roughly 10% of them trucks, projected to reach 85 by 2043. The structure is 142 ft (43.4 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSW 50th
CrossesFly Creek
Location5.0E of Faulkner
RouteCounty Highway 1170
StateKansas
Coordinates37.10196, -94.92267
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.2 US tons
Inventory rating27.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length142 ft (43.4 m)
Longest span56 ft (17 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 traffic70 (2019)
Projected traffic85 by 2043
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 SW 50th over Fly Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is SW 50th over Fly 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 September 2023.

How much traffic does SW 50th over Fly Creek carry?

About 70 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is SW 50th over Fly Creek?

The structure is 142 ft (43.4 m) long with a longest span of 56 ft (17 m) and a deck 28 ft wide.

Who owns SW 50th over Fly Creek?

It is owned by the County Highway Agency.