US Bridges

18-A.8 Local Rd. over Trib to Cottonwood River

Poor

Chase County, Kansas · 1.0N of Cedar Point · Structure no. 000090875805380

Built
1934
91 years old
Condition
Poor
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
47 ft
3 main spans
Daily traffic
35
2014 count
Owner
County
County Highway Agency

About this bridge

18-A.8 Local Rd. over Trib to Cottonwood River is a steel stringer/multi-beam or girder carrying 18-A.8 Local Rd. over Trib to Cottonwood River in Chase County, Kansas. It was built in 1934, so it is 91 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 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.

It carries about 35 vehicles a day, projected to reach 42 by 2042. The structure is 47 ft (14.2 m) long and 21 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries18-A.8 Local Rd.
CrossesTrib to Cottonwood River
Location1.0N of Cedar Point
RouteCounty Highway 0
CountyChase County
StateKansas
Coordinates38.27579, -96.82354
Functional classRural Local

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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.2 US tons
Inventory rating32.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length47 ft (14.2 m)
Longest span15 ft (4.5 m)
Deck width21 ft (6.3 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic35 (2014)
Projected traffic42 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 18-A.8 Local Rd. over Trib to Cottonwood River built?

It was built in 1934, making it 91 years old in 2025.

What condition is 18-A.8 Local Rd. over Trib to 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 May 2024.

How much traffic does 18-A.8 Local Rd. over Trib to Cottonwood River carry?

About 35 vehicles per day (2014 count).

How long is 18-A.8 Local Rd. over Trib to Cottonwood River?

The structure is 47 ft (14.2 m) long with a longest span of 15 ft (4.5 m) and a deck 21 ft wide.

Who owns 18-A.8 Local Rd. over Trib to Cottonwood River?

It is owned by the County Highway Agency.