US Bridges

County RD 53.7 over Tributary Salado Creek

Fair

Las Animas County, Colorado · 1.2 MI S of County Line · Structure no. LA53.7-26-34-28

Built
1950
75 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
40 ft
2 main spans
Daily traffic
80
2022 count
Owner
County
County Highway Agency

About this bridge

County RD 53.7 over Tributary Salado Creek is a wood or timber stringer/multi-beam or girder carrying County RD 53.7 over Tributary Salado Creek in Las Animas County, Colorado. It was built in 1950, so it is 75 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 80 vehicles a day, projected to reach 99 by 2042. The structure is 40 ft (12.1 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCounty RD 53.7
CrossesTributary Salado Creek
Location1.2 MI S of County Line
RouteCounty Highway 0
CountyLas Animas County
StateColorado
Coordinates37.48137, -104.6771
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating32.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length40 ft (12.1 m)
Longest span18 ft (5.5 m)
Deck width31 ft (9.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2022)
Projected traffic99 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 53.7 over Tributary Salado Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is County RD 53.7 over Tributary Salado 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 53.7 over Tributary Salado Creek carry?

About 80 vehicles per day (2022 count).

How long is County RD 53.7 over Tributary Salado Creek?

The structure is 40 ft (12.1 m) long with a longest span of 18 ft (5.5 m) and a deck 31 ft wide.

Who owns County RD 53.7 over Tributary Salado Creek?

It is owned by the County Highway Agency.