US Bridges

County Road 5 over Rock Creek

Good

Hinsdale County, Colorado · 16.5 MI NE of Lake City · Structure no. HIN05-17.00A

Built
1998
27 years old
Condition
Good
inspected October 2024
Type
Slab
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
41
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 5 over Rock Creek is a prestressed concrete slab carrying County Road 5 over Rock Creek in Hinsdale County, Colorado. It was built in 1998, so it is 27 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 41 vehicles a day, projected to reach 50 by 2042. The structure is 50 ft (15.2 m) long and 32 ft wide. If it were closed, the detour would be 67.1 mi (108 km).

Location

Open in Google Maps
CarriesCounty Road 5
CrossesRock Creek
Location16.5 MI NE of Lake City
RouteCounty Highway 0
CountyHinsdale County
StateColorado
Coordinates38.12389, -107.03753
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 protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating62.9 US tons
Inventory rating39.4 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span47 ft (14.3 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41 (2022)
Projected traffic50 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed67.1 mi (108 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 5 over Rock Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is County Road 5 over Rock 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 October 2024.

How much traffic does County Road 5 over Rock Creek carry?

About 41 vehicles per day (2022 count).

How long is County Road 5 over Rock Creek?

The structure is 50 ft (15.2 m) long with a longest span of 47 ft (14.3 m) and a deck 32 ft wide.

Who owns County Road 5 over Rock Creek?

It is owned by the County Highway Agency.