US Bridges

Rs 856 over Cottonwood River

Good

Chase County, Kansas · 2.5E 1.7S of Strong City · Structure no. 000000000090380

Built
1979
46 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
251 ft
3 main spans
Daily traffic
60
2014 count
Owner
County
County Highway Agency

About this bridge

Rs 856 over Cottonwood River is a steel continuous stringer/multi-beam or girder carrying Rs 856 over Cottonwood River in Chase County, Kansas. It was built in 1979, so it is 46 years old, younger than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 60 vehicles a day, projected to reach 72 by 2042. The structure is 251 ft (76.4 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesRs 856
CrossesCottonwood River
Location2.5E 1.7S of Strong City
RouteCounty Highway 856
StateKansas
Coordinates38.37394, -96.4933
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating69.6 US tons
Inventory rating41.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length251 ft (76.4 m)
Longest span95 ft (28.9 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 traffic60 (2014)
Projected traffic72 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 856 over Cottonwood River built?

It was built in 1979, making it 46 years old in 2025.

What condition is Rs 856 over Cottonwood River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does Rs 856 over Cottonwood River carry?

About 60 vehicles per day (2014 count).

How long is Rs 856 over Cottonwood River?

The structure is 251 ft (76.4 m) long with a longest span of 95 ft (28.9 m) and a deck 28 ft wide.

Who owns Rs 856 over Cottonwood River?

It is owned by the County Highway Agency.