US Bridges

County RD 75.0 over Picketwire Ditch

Fair

Las Animas County, Colorado · 1.0 MI N of CR 32.4 · Structure no. LA75-38-17-128

Built
1930
95 years old, rebuilt 1950
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
124
2022 count
Owner
County
County Highway Agency

About this bridge

County RD 75.0 over Picketwire Ditch is a steel stringer/multi-beam or girder carrying County RD 75.0 over Picketwire Ditch in Las Animas County, Colorado. It was built in 1930 and reconstructed in 1950, 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 124 vehicles a day, roughly 2% of them trucks, projected to reach 153 by 2042. The structure is 30 ft (9.2 m) long and 22 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesCounty RD 75.0
CrossesPicketwire Ditch
Location1.0 MI N of CR 32.4
RouteCounty Highway 0
CountyLas Animas County
StateColorado
Coordinates37.23858, -104.46646
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length30 ft (9.2 m)
Longest span29 ft (8.9 m)
Deck width22 ft (6.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic124 (2022)
Projected traffic153 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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$830,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 75.0 over Picketwire Ditch built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1950.

What condition is County RD 75.0 over Picketwire Ditch 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 75.0 over Picketwire Ditch carry?

About 124 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is County RD 75.0 over Picketwire Ditch?

The structure is 30 ft (9.2 m) long with a longest span of 29 ft (8.9 m) and a deck 22 ft wide.

Who owns County RD 75.0 over Picketwire Ditch?

It is owned by the County Highway Agency.