US Bridges

Rd. 370 957.9-480 over Chicken Creek

Fair

Lyon County, Kansas · 4.0N 3.0E of Admire · Structure no. 000000000560700

Built
1959
66 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
128 ft
3 main spans
Daily traffic
65
2007 count
Owner
County
County Highway Agency

About this bridge

Rd. 370 957.9-480 over Chicken Creek is a steel continuous stringer/multi-beam or girder carrying Rd. 370 957.9-480 over Chicken Creek in Lyon County, Kansas. It was built in 1959, so it is 66 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 65 vehicles a day, projected to reach 70 by 2043. The structure is 128 ft (38.9 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesRd. 370 957.9-480
CrossesChicken Creek
Location4.0N 3.0E of Admire
RouteCounty Highway 1509
CountyLyon County
StateKansas
Coordinates38.69528, -96.04606
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.6 US tons
Inventory rating21.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length128 ft (38.9 m)
Longest span50 ft (15.2 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 traffic65 (2007)
Projected traffic70 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rd. 370 957.9-480 over Chicken Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is Rd. 370 957.9-480 over Chicken 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 Rd. 370 957.9-480 over Chicken Creek carry?

About 65 vehicles per day (2007 count).

How long is Rd. 370 957.9-480 over Chicken Creek?

The structure is 128 ft (38.9 m) long with a longest span of 50 ft (15.2 m) and a deck 27 ft wide.

Who owns Rd. 370 957.9-480 over Chicken Creek?

It is owned by the County Highway Agency.