US Bridges

County RD 75.0 over Apishapa River

Fair

Las Animas County, Colorado · .1 MI NE of CR 71 · Structure no. LA75-38-31-111

Built
1930
95 years old
Condition
Fair
inspected May 2023
Type
Tee Beam
Concrete
Length
43 ft
1 main span
Daily traffic
17
2022 count
Owner
County
County Highway Agency

About this bridge

County RD 75.0 over Apishapa River is a concrete tee beam carrying County RD 75.0 over Apishapa River in Las Animas County, Colorado. It was built in 1930, 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.

It carries about 17 vehicles a day, projected to reach 21 by 2042. The structure is 43 ft (13.1 m) long and 15 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesCounty RD 75.0
CrossesApishapa River
Location.1 MI NE of CR 71
RouteCounty Highway 0
CountyLas Animas County
StateColorado
Coordinates37.41889, -104.46417
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.
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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length43 ft (13.1 m)
Longest span40 ft (12.1 m)
Deck width15 ft (4.7 m)
Roadway width13 ft (4.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17 (2022)
Projected traffic21 by 2042
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 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 75.0 over Apishapa River built?

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

What condition is County RD 75.0 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 75.0 over Apishapa River carry?

About 17 vehicles per day (2022 count).

How long is County RD 75.0 over Apishapa River?

The structure is 43 ft (13.1 m) long with a longest span of 40 ft (12.1 m) and a deck 15 ft wide.

Who owns County RD 75.0 over Apishapa River?

It is owned by the County Highway Agency.