US Bridges

30 Road over Big Timber Creek

FairPosted for load

Cheyenne County, Kansas · 13.5N 2.0E of Bird City · Structure no. 000120375003064

Built
1940
85 years old, rebuilt 2015
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
32 ft
1 main span
Daily traffic
10
2020 count
Owner
County
County Highway Agency

About this bridge

30 Road over Big Timber Creek is a steel stringer/multi-beam or girder carrying 30 Road over Big Timber Creek in Cheyenne County, Kansas. It was built in 1940 and reconstructed in 2015, so it is 85 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, projected to reach 15 by 2045. The structure is 32 ft (9.8 m) long and 20 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
Carries30 Road
CrossesBig Timber Creek
Location13.5N 2.0E of Bird City
RouteCounty Highway 0
CountyCheyenne County
StateKansas
Coordinates39.95351, -101.50444
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 2025
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 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 rating14.6 US tons
Inventory rating7.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span30 ft (9.1 m)
Deck width20 ft (6.2 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic10 (2020)
Projected traffic15 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$180,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 30 Road over Big Timber Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 2015.

What condition is 30 Road over Big 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 2025.

How much traffic does 30 Road over Big Timber Creek carry?

About 10 vehicles per day (2020 count).

How long is 30 Road over Big Timber Creek?

The structure is 32 ft (9.8 m) long with a longest span of 30 ft (9.1 m) and a deck 20 ft wide.

Who owns 30 Road over Big Timber Creek?

It is owned by the County Highway Agency.