US Bridges

County Road 49 over Smoky Hill River

Good

Cheyenne County, Colorado · 1.0 MI N of CR T · Structure no. CY49-1.0-TA

Built
1986
39 years old
Condition
Good
inspected December 2023
Type
Tee Beam
Prestressed Concrete
Length
101 ft
2 main spans
Daily traffic
38
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 49 over Smoky Hill River is a prestressed concrete tee beam carrying County Road 49 over Smoky Hill River in Cheyenne County, Colorado. It was built in 1986, so it is 39 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 38 vehicles a day, projected to reach 48 by 2042. The structure is 101 ft (30.9 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Road 49
CrossesSmoky Hill River
Location1.0 MI N of CR T
RouteCounty Highway 0
Coordinates38.87062, -102.25896
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating36.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans2
Design loadHS 20
Structure length101 ft (30.9 m)
Longest span47 ft (14.4 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38 (2022)
Projected traffic48 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-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 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 49 over Smoky Hill River built?

It was built in 1986, making it 39 years old in 2025.

What condition is County Road 49 over Smoky Hill River 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 49 over Smoky Hill River carry?

About 38 vehicles per day (2022 count).

How long is County Road 49 over Smoky Hill River?

The structure is 101 ft (30.9 m) long with a longest span of 47 ft (14.4 m) and a deck 34 ft wide.

Who owns County Road 49 over Smoky Hill River?

It is owned by the County Highway Agency.