US Bridges

42nd RD over Trib to Walnut River

Fair

Cowley County, Kansas · 1.5S 0.3W of Rock · Structure no. 000180855906560

Built
1910
115 years old
Condition
Fair
inspected January 2024
Type
Arch - Deck
Concrete
Length
49 ft
1 main span
Daily traffic
15
2018 count
Owner
County
County Highway Agency

About this bridge

42nd RD over Trib to Walnut River is a concrete arch - deck carrying 42nd RD over Trib to Walnut River in Cowley 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 fair condition with a lowest component rating of 5 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 15 vehicles a day, roughly 5% of them trucks, projected to reach 25 by 2044. The structure is 49 ft (14.9 m) long and 18 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
Carries42nd RD
CrossesTrib to Walnut River
Location1.5S 0.3W of Rock
RouteCounty Highway 0
CountyCowley County
StateKansas
Coordinates37.41916, -97.01272
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length49 ft (14.9 m)
Longest span46 ft (14 m)
Deck width18 ft (5.5 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic15 (2018)
Projected traffic25 by 2044
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 42nd RD over Trib to Walnut River built?

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

What condition is 42nd RD over Trib to Walnut 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 January 2024.

How much traffic does 42nd RD over Trib to Walnut River carry?

About 15 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is 42nd RD over Trib to Walnut River?

The structure is 49 ft (14.9 m) long with a longest span of 46 ft (14 m) and a deck 18 ft wide.

Who owns 42nd RD over Trib to Walnut River?

It is owned by the County Highway Agency.