US Bridges

County Road G over Smoky Hill River

Good

Kit Carson County, Colorado · 0.5 Miles West of Road 55 · Structure no. KITC-0G-1.50-03

Built
1965
60 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
81 ft
2 main spans
Daily traffic
54
2022 count
Owner
County
County Highway Agency

About this bridge

County Road G over Smoky Hill River is a steel stringer/multi-beam or girder carrying County Road G over Smoky Hill River in Kit Carson County, Colorado. It was built in 1965, so it is 60 years old, older 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 54 vehicles a day, roughly 2% of them trucks, projected to reach 62 by 2042. The structure is 81 ft (24.6 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCounty Road G
CrossesSmoky Hill River
Location0.5 Miles West of Road 55
RouteCounty Highway 0
Coordinates39.1278, -102.15658
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
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 evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.4 US tons
Inventory rating17.6 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans2
Design loadUnknown
Structure length81 ft (24.6 m)
Longest span39 ft (12 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic54 (2022)
Projected traffic62 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 G over Smoky Hill River built?

It was built in 1965, making it 60 years old in 2025.

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

About 54 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is County Road G over Smoky Hill River?

The structure is 81 ft (24.6 m) long with a longest span of 39 ft (12 m) and a deck 24 ft wide.

Who owns County Road G over Smoky Hill River?

It is owned by the County Highway Agency.