US Bridges

Aa Road over Big Timber Creek

Fair

Cheyenne County, Kansas · 13.0N 2.0E of Bird City · Structure no. 000120375103080

Built
1975
50 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
120 ft
3 main spans
Daily traffic
20
2020 count
Owner
County
County Highway Agency

About this bridge

Aa Road over Big Timber Creek is a steel stringer/multi-beam or girder carrying Aa Road over Big Timber Creek in Cheyenne County, Kansas. It was built in 1975, so it is 50 years old, younger 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 6 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 20 vehicles a day, projected to reach 30 by 2045. The structure is 120 ft (36.6 m) long and 24 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesAa Road
CrossesBig Timber Creek
Location13.0N 2.0E of Bird City
RouteCounty Highway 0
StateKansas
Coordinates39.94502, -101.50238
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.7 US tons
Inventory rating25.5 US tons

Structure

MaterialSteel
DeckConcrete, precast panels
Main spans3
Design loadH 20
Structure length120 ft (36.6 m)
Longest span40 ft (12.1 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic20 (2020)
Projected traffic30 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Aa Road over Big Timber Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is Aa 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 Aa Road over Big Timber Creek carry?

About 20 vehicles per day (2020 count).

How long is Aa Road over Big Timber Creek?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.1 m) and a deck 24 ft wide.

Who owns Aa Road over Big Timber Creek?

It is owned by the County Highway Agency.