US Bridges

231st RD over Timber Creek

FairPosted for load

Cowley County, Kansas · 2.0E 1.1S of Atlanta · Structure no. 000180887006561

Built
1915
110 years old
Condition
Fair
inspected January 2024
Type
Arch - Deck
Masonry
Length
74 ft
1 main span
Daily traffic
10
2018 count
Owner
County
County Highway Agency

About this bridge

231st RD over Timber Creek is a masonry arch - deck carrying 231st RD over Timber Creek in Cowley County, Kansas. It was built in 1915, so it is 110 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. Its operating status is: posted for load restriction.

It carries about 10 vehicles a day, roughly 5% of them trucks, projected to reach 20 by 2044. The structure is 74 ft (22.6 m) long and 17 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries231st RD
CrossesTimber Creek
Location2.0E 1.1S of Atlanta
RouteCounty Highway 0
StateKansas
Coordinates37.41585, -96.73198
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating25.4 US tons
Inventory rating25 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckOther
Main spans1
Design loadUnknown
Structure length74 ft (22.6 m)
Longest span44 ft (13.4 m)
Deck width17 ft (5.1 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic10 (2018)
Projected traffic20 by 2044
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 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 231st RD over Timber Creek built?

It was built in 1915, making it 110 years old in 2025.

What condition is 231st RD over Timber Creek 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 231st RD over Timber Creek carry?

About 10 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is 231st RD over Timber Creek?

The structure is 74 ft (22.6 m) long with a longest span of 44 ft (13.4 m) and a deck 17 ft wide.

Who owns 231st RD over Timber Creek?

It is owned by the County Highway Agency.