US Bridges

Rs 412 F.1-24.8 over Cottonwood River

Fair

Lyon County, Kansas · 4.5W 2.0S of Emporia · Structure no. 000000000560090

Built
1967
58 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
305 ft
3 main spans
Daily traffic
347
2007 count
Owner
County
County Highway Agency

About this bridge

Rs 412 F.1-24.8 over Cottonwood River is a steel continuous stringer/multi-beam or girder carrying Rs 412 F.1-24.8 over Cottonwood River in Lyon County, Kansas. It was built in 1967, so it is 58 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 347 vehicles a day, roughly 10% of them trucks, projected to reach 360 by 2043. The structure is 305 ft (92.9 m) long and 28 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesRs 412 F.1-24.8
CrossesCottonwood River
Location4.5W 2.0S of Emporia
RouteCounty Highway 412
CountyLyon County
StateKansas
Coordinates38.37856, -96.26164
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 protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37.5 US tons
Inventory rating22.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length305 ft (92.9 m)
Longest span117 ft (35.6 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 traffic347 (2007)
Projected traffic360 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Rs 412 F.1-24.8 over Cottonwood River built?

It was built in 1967, making it 58 years old in 2025.

What condition is Rs 412 F.1-24.8 over Cottonwood River 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 Rs 412 F.1-24.8 over Cottonwood River carry?

About 347 vehicles per day (2007 count), of which roughly 10% are trucks.

How long is Rs 412 F.1-24.8 over Cottonwood River?

The structure is 305 ft (92.9 m) long with a longest span of 117 ft (35.6 m) and a deck 28 ft wide.

Who owns Rs 412 F.1-24.8 over Cottonwood River?

It is owned by the County Highway Agency.