US Bridges

County RD 42.0 over Apishapa River

FairPosted for load

Las Animas County, Colorado · 0.2 MI S of CR 43.7 · Structure no. LA42-20.2-22-15

Built
1930
95 years old, rebuilt 1960
Condition
Fair
inspected May 2023
Type
Tee Beam
Concrete
Length
33 ft
1 main span
Daily traffic
54
2022 count
Owner
County
County Highway Agency

About this bridge

County RD 42.0 over Apishapa River is a concrete tee beam carrying County RD 42.0 over Apishapa River in Las Animas County, Colorado. It was built in 1930 and reconstructed in 1960, so it is 95 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 54 vehicles a day, projected to reach 66 by 2042. The structure is 33 ft (10.1 m) long and 26 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

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CarriesCounty RD 42.0
CrossesApishapa River
Location0.2 MI S of CR 43.7
RouteCounty Highway 0
CountyLas Animas County
StateColorado
Coordinates37.30596, -104.78766
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating14.2 US tons
Inventory rating8.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span30 ft (9 m)
Deck width26 ft (8 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic54 (2022)
Projected traffic66 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 42.0 over Apishapa River built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1960.

What condition is County RD 42.0 over Apishapa 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 May 2023.

How much traffic does County RD 42.0 over Apishapa River carry?

About 54 vehicles per day (2022 count).

How long is County RD 42.0 over Apishapa River?

The structure is 33 ft (10.1 m) long with a longest span of 30 ft (9 m) and a deck 26 ft wide.

Who owns County RD 42.0 over Apishapa River?

It is owned by the County Highway Agency.