US Bridges

County RD 53.5 over Trib. Burro Canyon Creek

Fair

Las Animas County, Colorado · 5.3 MI N of SH12 · Structure no. LA535-25-13-19A

Built
1936
89 years old, rebuilt 1998
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
42 ft
2 main spans
Daily traffic
64
2022 count
Owner
County
County Highway Agency

About this bridge

County RD 53.5 over Trib. Burro Canyon Creek is a steel continuous stringer/multi-beam or girder carrying County RD 53.5 over Trib. Burro Canyon Creek in Las Animas County, Colorado. It was built in 1936 and reconstructed in 1998, so it is 89 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 6 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 64 vehicles a day, roughly 2% of them trucks, projected to reach 79 by 2042. The structure is 42 ft (12.7 m) long and 20 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCounty RD 53.5
CrossesTrib. Burro Canyon Creek
Location5.3 MI N of SH12
RouteCounty Highway 0
Coordinates37.18322, -104.69832
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating70.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length42 ft (12.7 m)
Longest span18 ft (5.4 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic64 (2022)
Projected traffic79 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 53.5 over Trib. Burro Canyon Creek built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1998.

What condition is County RD 53.5 over Trib. Burro Canyon 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 May 2023.

How much traffic does County RD 53.5 over Trib. Burro Canyon Creek carry?

About 64 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is County RD 53.5 over Trib. Burro Canyon Creek?

The structure is 42 ft (12.7 m) long with a longest span of 18 ft (5.4 m) and a deck 20 ft wide.

Who owns County RD 53.5 over Trib. Burro Canyon Creek?

It is owned by the County Highway Agency.