US Bridges

County RD 8.8 over Rito Seco Creek

Fair

Las Animas County, Colorado · 0.1 MI West of CR 107.3 · Structure no. LA8.8-54-5-93

Built
1930
95 years old, rebuilt 1970
Condition
Fair
inspected June 2023
Type
Tee Beam
Concrete
Length
26 ft
1 main span
Daily traffic
13
2022 count
Owner
County
County Highway Agency

About this bridge

County RD 8.8 over Rito Seco Creek is a concrete tee beam carrying County RD 8.8 over Rito Seco Creek in Las Animas County, Colorado. It was built in 1930 and reconstructed in 1970, 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 13 vehicles a day, projected to reach 16 by 2042. The structure is 26 ft (8 m) long and 22 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

Location

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CarriesCounty RD 8.8
CrossesRito Seco Creek
Location0.1 MI West of CR 107.3
RouteCounty Highway 0
CountyLas Animas County
StateColorado
Coordinates37.05516, -104.1757
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
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 protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating31.7 US tons
Inventory rating19 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length26 ft (8 m)
Longest span24 ft (7.3 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13 (2022)
Projected traffic16 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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 8.8 over Rito Seco Creek built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1970.

What condition is County RD 8.8 over Rito Seco 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 8.8 over Rito Seco Creek carry?

About 13 vehicles per day (2022 count).

How long is County RD 8.8 over Rito Seco Creek?

The structure is 26 ft (8 m) long with a longest span of 24 ft (7.3 m) and a deck 22 ft wide.

Who owns County RD 8.8 over Rito Seco Creek?

It is owned by the County Highway Agency.