US Bridges

Rs 644 59-6-8 over Trib. to Cowskin Creek

PoorPosted for load

Sumner County, Kansas · 2.1N of Belle Plaine · Structure no. 000000000960570

Built
1986
39 years old
Condition
Poor
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
55 ft
2 main spans
Daily traffic
2,815
2013 count
Owner
County
County Highway Agency

About this bridge

Rs 644 59-6-8 over Trib. to Cowskin Creek is a steel continuous stringer/multi-beam or girder carrying Rs 644 59-6-8 over Trib. to Cowskin Creek in Sumner County, Kansas. It was built in 1986, so it is 39 years old, younger 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 4 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 2,815 vehicles a day, roughly 5% of them trucks, projected to reach 3,360 by 2043. The structure is 55 ft (16.9 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRs 644 59-6-8
CrossesTrib. to Cowskin Creek
Location2.1N of Belle Plaine
RouteCounty Highway 644
StateKansas
Coordinates37.42295, -97.27632
Functional classRural Major 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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating20.4 US tons
Inventory rating12.2 US tons

Structure

MaterialSteel Continuous
DeckCorrugated steel
Main spans2
Design loadUnknown
Structure length55 ft (16.9 m)
Longest span27 ft (8.2 m)
Deck width26 ft (8 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic2,815 (2013)
Projected traffic3,360 by 2043
Trucks5%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$280,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Rs 644 59-6-8 over Trib. to Cowskin Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is Rs 644 59-6-8 over Trib. to Cowskin Creek 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 May 2023.

How much traffic does Rs 644 59-6-8 over Trib. to Cowskin Creek carry?

About 2,815 vehicles per day (2013 count), of which roughly 5% are trucks.

How long is Rs 644 59-6-8 over Trib. to Cowskin Creek?

The structure is 55 ft (16.9 m) long with a longest span of 27 ft (8.2 m) and a deck 26 ft wide.

Who owns Rs 644 59-6-8 over Trib. to Cowskin Creek?

It is owned by the County Highway Agency.