US Bridges

County Road 6 over Trib. of Hackberry Crk

Fair

Baca County, Colorado · .1 MI S of CR Ww · Structure no. BA7-7-42.8-27

Built
1960
65 years old, rebuilt 1988
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
3
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 6 over Trib. of Hackberry Crk is a steel stringer/multi-beam or girder carrying County Road 6 over Trib. of Hackberry Crk in Baca County, Colorado. It was built in 1960 and reconstructed in 1988, so it is 65 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 5 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 3 vehicles a day, projected to reach 4 by 2042. The structure is 31 ft (9.4 m) long and 24 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesCounty Road 6
CrossesTrib. of Hackberry Crk
Location.1 MI S of CR Ww
RouteCounty Highway 0
CountyBaca County
StateColorado
Coordinates37.62698, -102.96613
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 rating47.6 US tons
Inventory rating28.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span27 ft (8.2 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3 (2022)
Projected traffic4 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 6 over Trib. of Hackberry Crk built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1988.

What condition is County Road 6 over Trib. of Hackberry Crk 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 April 2024.

How much traffic does County Road 6 over Trib. of Hackberry Crk carry?

About 3 vehicles per day (2022 count).

How long is County Road 6 over Trib. of Hackberry Crk?

The structure is 31 ft (9.4 m) long with a longest span of 27 ft (8.2 m) and a deck 24 ft wide.

Who owns County Road 6 over Trib. of Hackberry Crk?

It is owned by the County Highway Agency.