US Bridges

County Road 54 over Big Timber Creek

Good

Cheyenne County, Colorado · .3 MI S of CR Aa · Structure no. CY54-0.7-ZA

Built
2010
15 years old
Condition
Good
inspected December 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
107 ft
2 main spans
Daily traffic
25
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 54 over Big Timber Creek is a prestressed concrete continuous box beam or girders - single or spread carrying County Road 54 over Big Timber Creek in Cheyenne County, Colorado. It was built in 2010, so it is 15 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 25 vehicles a day, projected to reach 31 by 2042. The structure is 107 ft (32.6 m) long and 35 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCounty Road 54
CrossesBig Timber Creek
Location.3 MI S of CR Aa
RouteCounty Highway 0
Coordinates38.95492, -102.16603
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating108.7 US tons
Inventory rating48.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length107 ft (32.6 m)
Longest span49 ft (14.9 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2022)
Projected traffic31 by 2042
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 54 over Big Timber Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is County Road 54 over Big Timber Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2023.

How much traffic does County Road 54 over Big Timber Creek carry?

About 25 vehicles per day (2022 count).

How long is County Road 54 over Big Timber Creek?

The structure is 107 ft (32.6 m) long with a longest span of 49 ft (14.9 m) and a deck 35 ft wide.

Who owns County Road 54 over Big Timber Creek?

It is owned by the County Highway Agency.