US Bridges

County RD 69.1 over Raton Creek

FairPosted for load

Las Animas County, Colorado · Just N of Starkville · Structure no. LA69.1-35-8-137

Built
1930
95 years old
Condition
Fair
inspected May 2023
Type
Tee Beam
Concrete Continuous
Length
124 ft
3 main spans
Daily traffic
75
2022 count
Owner
County
County Highway Agency

About this bridge

County RD 69.1 over Raton Creek is a concrete continuous tee beam carrying County RD 69.1 over Raton Creek 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. Its operating status is: posted for other load-capacity restriction.

It carries about 75 vehicles a day, roughly 2% of them trucks, projected to reach 93 by 2042. The structure is 124 ft (37.9 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesCounty RD 69.1
CrossesRaton Creek
LocationJust N of Starkville
RouteCounty Highway 0
CountyLas Animas County
StateColorado
Coordinates37.11506, -104.5221
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.2 US tons
Inventory rating20.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length124 ft (37.9 m)
Longest span45 ft (13.6 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2022)
Projected traffic93 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3.3 million (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 69.1 over Raton Creek built?

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

What condition is County RD 69.1 over Raton 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 69.1 over Raton Creek carry?

About 75 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is County RD 69.1 over Raton Creek?

The structure is 124 ft (37.9 m) long with a longest span of 45 ft (13.6 m) and a deck 28 ft wide.

Who owns County RD 69.1 over Raton Creek?

It is owned by the County Highway Agency.