US Bridges

County Road 20 over Horse Creek

Fair

Baca County, Colorado · 1.6 MI N of CR Pp · Structure no. BA21-21-377-26A

Built
1940
85 years old, rebuilt 1989
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
25 ft
1 main span
Daily traffic
4
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 20 over Horse Creek is a steel stringer/multi-beam or girder carrying County Road 20 over Horse Creek in Baca County, Colorado. It was built in 1940 and reconstructed in 1989, so it is 85 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 4 vehicles a day, projected to reach 6 by 2042. The structure is 25 ft (7.5 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Road 20
CrossesHorse Creek
Location1.6 MI N of CR Pp
RouteCounty Highway 0
CountyBaca County
StateColorado
Coordinates37.55179, -102.71082
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
Deck9 ExcellentNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating52.9 US tons
Inventory rating31.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length25 ft (7.5 m)
Longest span23 ft (6.9 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4 (2022)
Projected traffic6 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 20 over Horse Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1989.

What condition is County Road 20 over Horse Creek 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 20 over Horse Creek carry?

About 4 vehicles per day (2022 count).

How long is County Road 20 over Horse Creek?

The structure is 25 ft (7.5 m) long with a longest span of 23 ft (6.9 m) and a deck 24 ft wide.

Who owns County Road 20 over Horse Creek?

It is owned by the County Highway Agency.