US Bridges

CO RD 18.3 over Abandoned Railroad

FairPosted for load

Las Animas County, Colorado · 2 M SE JCT State HWY 12 · Structure no. CEPSWACO-000003

Built
1973
52 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
155 ft
3 main spans
Daily traffic
200
2003 count
Owner
Federal
Corps of Engineers (Civil)

About this bridge

CO RD 18.3 over Abandoned Railroad is a steel continuous stringer/multi-beam or girder carrying CO RD 18.3 over Abandoned Railroad in Las Animas County, Colorado. It was built in 1973, so it is 52 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 200 vehicles a day, roughly 10% of them trucks, projected to reach 205 by 2040. The structure is 155 ft (47.2 m) long and 3 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

Location

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CarriesCO RD 18.3
CrossesAbandoned Railroad
Location2 M SE JCT State HWY 12
CountyLas Animas County
StateColorado
Coordinates37.13076, -104.53289
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.6 US tons
Inventory rating27.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length155 ft (47.2 m)
Longest span58 ft (17.6 m)
Deck width3 ft (0.9 m)
Roadway width3 ft (0.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2003)
Projected traffic205 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed26.1 mi (42 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCorps of Engineers (Civil)
Maintained byCorps of Engineers (Civil)
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$818,000 (2021 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was CO RD 18.3 over Abandoned Railroad built?

It was built in 1973, making it 52 years old in 2025.

What condition is CO RD 18.3 over Abandoned Railroad 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 May 2023.

How much traffic does CO RD 18.3 over Abandoned Railroad carry?

About 200 vehicles per day (2003 count), of which roughly 10% are trucks.

How long is CO RD 18.3 over Abandoned Railroad?

The structure is 155 ft (47.2 m) long with a longest span of 58 ft (17.6 m) and a deck 3 ft wide.

Who owns CO RD 18.3 over Abandoned Railroad?

It is owned by the Corps of Engineers (Civil).