US Bridges

SW 90th over Little Fly Creek

FairPosted for load

Cherokee County, Kansas · 1.0N 2.0W of Melrose · Structure no. 000000000110600

Built
1961
64 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
71 ft
2 main spans
Daily traffic
210
2019 count
Owner
County
County Highway Agency

About this bridge

SW 90th over Little Fly Creek is a steel continuous stringer/multi-beam or girder carrying SW 90th over Little Fly Creek in Cherokee County, Kansas. It was built in 1961, so it is 64 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 210 vehicles a day, roughly 10% of them trucks, projected to reach 250 by 2043. The structure is 71 ft (21.6 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSW 90th
CrossesLittle Fly Creek
Location1.0N 2.0W of Melrose
RouteCounty Highway 2106
StateKansas
Coordinates37.04861, -94.995
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating13.3 US tons
Inventory rating7.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length71 ft (21.6 m)
Longest span34 ft (10.3 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic210 (2019)
Projected traffic250 by 2043
Trucks10%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SW 90th over Little Fly Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is SW 90th over Little 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 2024.

How much traffic does SW 90th over Little Fly Creek carry?

About 210 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is SW 90th over Little Fly Creek?

The structure is 71 ft (21.6 m) long with a longest span of 34 ft (10.3 m) and a deck 26 ft wide.

Who owns SW 90th over Little Fly Creek?

It is owned by the County Highway Agency.