US Bridges

County RD 24.6 over China Creek

Fair

Las Animas County, Colorado · 2 MI SE of SH 160 · Structure no. LA24.6-39-12-49

Built
1940
85 years old, rebuilt 1965
Condition
Fair
inspected June 2023
Type
Arch - Deck
Concrete
Length
20 ft
1 main span
Daily traffic
161
2022 count
Owner
County
County Highway Agency

About this bridge

County RD 24.6 over China Creek is a concrete arch - deck carrying County RD 24.6 over China Creek in Las Animas County, Colorado. It was built in 1940 and reconstructed in 1965, so it is 85 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 161 vehicles a day, roughly 2% of them trucks, projected to reach 199 by 2042. The structure is 20 ft (6.1 m) long and 27 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesCounty RD 24.6
CrossesChina Creek
Location2 MI SE of SH 160
RouteCounty Highway 0
CountyLas Animas County
StateColorado
Coordinates37.16446, -104.45645
Functional classRural Major 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating40 US tons
Inventory rating25.9 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width27 ft (8.1 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic161 (2022)
Projected traffic199 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 24.6 over China Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1965.

What condition is County RD 24.6 over China Creek 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 June 2023.

How much traffic does County RD 24.6 over China Creek carry?

About 161 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is County RD 24.6 over China Creek?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m) and a deck 27 ft wide.

Who owns County RD 24.6 over China Creek?

It is owned by the County Highway Agency.