US Bridges

County Road 104 over Huerfano River

Fair

Huerfano County, Colorado · 10.1 MI N of Walsenburg · Structure no. HU104-2.0-I25

Built
1910
115 years old
Condition
Fair
inspected January 2025
Type
Arch - Deck
Concrete
Length
162 ft
2 main spans
Daily traffic
13
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 104 over Huerfano River is a concrete arch - deck carrying County Road 104 over Huerfano River in Huerfano County, Colorado. It was built in 1910, so it is 115 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 13 vehicles a day, projected to reach 15 by 2042. The structure is 162 ft (49.3 m) long and 23 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCounty Road 104
CrossesHuerfano River
Location10.1 MI N of Walsenburg
RouteCounty Highway 0
CountyHuerfano County
StateColorado
Coordinates37.77106, -104.80177
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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length162 ft (49.3 m)
Longest span77 ft (23.5 m)
Deck width23 ft (6.9 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13 (2022)
Projected traffic15 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible 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 104 over Huerfano River built?

It was built in 1910, making it 115 years old in 2025.

What condition is County Road 104 over Huerfano 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 January 2025.

How much traffic does County Road 104 over Huerfano River carry?

About 13 vehicles per day (2022 count).

How long is County Road 104 over Huerfano River?

The structure is 162 ft (49.3 m) long with a longest span of 77 ft (23.5 m) and a deck 23 ft wide.

Who owns County Road 104 over Huerfano River?

It is owned by the County Highway Agency.