US Bridges

County Road B over Rio De Los Pinos

Fair

Conejos County, Colorado · .8 MI S of CR 12.5 · Structure no. CON01.1W-05.6SA

Built
1993
32 years old
Condition
Fair
inspected March 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
95 ft
1 main span
Daily traffic
82
2022 count
Owner
County
County Highway Agency

About this bridge

County Road B over Rio De Los Pinos is a steel stringer/multi-beam or girder carrying County Road B over Rio De Los Pinos in Conejos County, Colorado. It was built in 1993, so it is 32 years old, younger 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 82 vehicles a day, projected to reach 94 by 2042. The structure is 95 ft (29 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCounty Road B
CrossesRio De Los Pinos
Location.8 MI S of CR 12.5
RouteCounty Highway 0
CountyConejos County
StateColorado
Coordinates36.99649, -106.04098
Functional classRural Minor Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 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 rating84.1 US tons
Inventory rating50.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length95 ft (29 m)
Longest span90 ft (27.4 m)
Deck width31 ft (9.3 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic82 (2022)
Projected traffic94 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 B over Rio De Los Pinos built?

It was built in 1993, making it 32 years old in 2025.

What condition is County Road B over Rio De Los Pinos 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 March 2025.

How much traffic does County Road B over Rio De Los Pinos carry?

About 82 vehicles per day (2022 count).

How long is County Road B over Rio De Los Pinos?

The structure is 95 ft (29 m) long with a longest span of 90 ft (27.4 m) and a deck 31 ft wide.

Who owns County Road B over Rio De Los Pinos?

It is owned by the County Highway Agency.