US Bridges

County Road 28 over Conejos River

FairPosted for load

Conejos County, Colorado · 1.5 MI N of Crx · Structure no. CON15.0E-15.2N

Built
1947
78 years old
Condition
Fair
inspected March 2025
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
162 ft
7 main spans
Daily traffic
68
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 28 over Conejos River is a wood or timber stringer/multi-beam or girder carrying County Road 28 over Conejos River in Conejos County, Colorado. It was built in 1947, so it is 78 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. Its operating status is: posted for load restriction.

It carries about 68 vehicles a day, projected to reach 78 by 2042. The structure is 162 ft (49.5 m) long and 26 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesCounty Road 28
CrossesConejos River
Location1.5 MI N of Crx
RouteCounty Highway 0
CountyConejos County
StateColorado
Coordinates37.29998, -105.74738
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
Deck7 GoodSome minor problems.
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 inspectionMarch 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating16.3 US tons
Inventory rating10.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans7
Design loadUnknown
Structure length162 ft (49.5 m)
Longest span23 ft (6.9 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic68 (2022)
Projected traffic78 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$5.2 million (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 28 over Conejos River built?

It was built in 1947, making it 78 years old in 2025.

What condition is County Road 28 over Conejos 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 March 2025.

How much traffic does County Road 28 over Conejos River carry?

About 68 vehicles per day (2022 count).

How long is County Road 28 over Conejos River?

The structure is 162 ft (49.5 m) long with a longest span of 23 ft (6.9 m) and a deck 26 ft wide.

Who owns County Road 28 over Conejos River?

It is owned by the County Highway Agency.