US Bridges

RD P (N.0-25.7) over Cottonwood River

PoorPosted for load

Lyon County, Kansas · 7.0W 0.5S Neosho Rapids · Structure no. 000560951005247

Built
1910
115 years old
Condition
Poor
inspected March 2024
Type
Truss - Thru
Steel
Length
216 ft
1 main span
Daily traffic
30
2007 count
Owner
County
County Highway Agency

About this bridge

RD P (N.0-25.7) over Cottonwood River is a steel truss - thru carrying RD P (N.0-25.7) over Cottonwood River in Lyon County, Kansas. It was built in 1910, so it is 115 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 30 vehicles a day, projected to reach 30 by 2043. The structure is 216 ft (65.9 m) long and 16 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesRD P (N.0-25.7)
CrossesCottonwood River
Location7.0W 0.5S Neosho Rapids
RouteCounty Highway 5625
CountyLyon County
StateKansas
Coordinates38.36581, -96.11489
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating17 US tons
Inventory rating12 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length216 ft (65.9 m)
Longest span216 ft (65.8 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deck15 ft (4.6 m)

Traffic and service

Average daily traffic30 (2007)
Projected traffic30 by 2043
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 statusPossibly eligible for the National Register; requires further investigation
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$382,000
NavigationNo navigation control on waterway

Frequently asked questions

When was RD P (N.0-25.7) over Cottonwood River built?

It was built in 1910, making it 115 years old in 2025.

What condition is RD P (N.0-25.7) over Cottonwood River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.

How much traffic does RD P (N.0-25.7) over Cottonwood River carry?

About 30 vehicles per day (2007 count).

How long is RD P (N.0-25.7) over Cottonwood River?

The structure is 216 ft (65.9 m) long with a longest span of 216 ft (65.8 m) and a deck 16 ft wide.

Who owns RD P (N.0-25.7) over Cottonwood River?

It is owned by the County Highway Agency.