US Bridges

County Road 35 over N. Fk. Smoky Hill River

Fair

Kit Carson County, Colorado · 0.8 Miles South of Road B · Structure no. KITC-35-4.20A01

Built
1981
44 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
77 ft
2 main spans
Daily traffic
40
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 35 over N. Fk. Smoky Hill River is a steel stringer/multi-beam or girder carrying County Road 35 over N. Fk. Smoky Hill River in Kit Carson County, Colorado. It was built in 1981, so it is 44 years old, older than the Colorado average of 42.2 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 40 vehicles a day, projected to reach 46 by 2042. The structure is 77 ft (23.5 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCounty Road 35
CrossesN. Fk. Smoky Hill River
Location0.8 Miles South of Road B
RouteCounty Highway 0
CountyKit Carson County
StateColorado
Coordinates39.06911, -102.52086
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.3 US tons
Inventory rating30.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans2
Design loadHS 20
Structure length77 ft (23.5 m)
Longest span37 ft (11.4 m)
Deck width30 ft (9.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2022)
Projected traffic46 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 35 over N. Fk. Smoky Hill River built?

It was built in 1981, making it 44 years old in 2025.

What condition is County Road 35 over N. Fk. Smoky Hill River 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 December 2023.

How much traffic does County Road 35 over N. Fk. Smoky Hill River carry?

About 40 vehicles per day (2022 count).

How long is County Road 35 over N. Fk. Smoky Hill River?

The structure is 77 ft (23.5 m) long with a longest span of 37 ft (11.4 m) and a deck 30 ft wide.

Who owns County Road 35 over N. Fk. Smoky Hill River?

It is owned by the County Highway Agency.