US Bridges

County Road 611 over Huerfano River

Good

Huerfano County, Colorado · 10.9 MI NW of Walsenburg · Structure no. HU611-3.0-S69A

Built
1999
26 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
75 ft
1 main span
Daily traffic
10
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 611 over Huerfano River is a steel stringer/multi-beam or girder carrying County Road 611 over Huerfano River in Huerfano County, Colorado. It was built in 1999, so it is 26 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 10 vehicles a day, projected to reach 12 by 2042. The structure is 75 ft (22.9 m) long and 28 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesCounty Road 611
CrossesHuerfano River
Location10.9 MI NW of Walsenburg
RouteCounty Highway 0
Coordinates37.74478, -104.90898
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
Deck9 ExcellentNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure9 ExcellentNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating51.8 US tons
Inventory rating31 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length75 ft (22.9 m)
Longest span70 ft (21.3 m)
Deck width28 ft (8.6 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2022)
Projected traffic12 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 611 over Huerfano River built?

It was built in 1999, making it 26 years old in 2025.

What condition is County Road 611 over Huerfano 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 January 2025.

How much traffic does County Road 611 over Huerfano River carry?

About 10 vehicles per day (2022 count).

How long is County Road 611 over Huerfano River?

The structure is 75 ft (22.9 m) long with a longest span of 70 ft (21.3 m) and a deck 28 ft wide.

Who owns County Road 611 over Huerfano River?

It is owned by the County Highway Agency.