US Bridges

County Road Ll over Middle Horse Creek

Fair

Prowers County, Colorado · 1.0 MI W of CR 35 · Structure no. PRLL-331-33-70A

Built
1989
36 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
93 ft
2 main spans
Daily traffic
51
2022 count
Owner
County
County Highway Agency

About this bridge

County Road Ll over Middle Horse Creek is a steel stringer/multi-beam or girder carrying County Road Ll over Middle Horse Creek in Prowers County, Colorado. It was built in 1989, so it is 36 years old, younger 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 51 vehicles a day, projected to reach 60 by 2042. The structure is 93 ft (28.3 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCounty Road Ll
CrossesMiddle Horse Creek
Location1.0 MI W of CR 35
RouteCounty Highway 0
CountyProwers County
StateColorado
Coordinates38.12955, -102.13617
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating46.7 US tons
Inventory rating27.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans2
Design loadHS 20
Structure length93 ft (28.3 m)
Longest span44 ft (13.3 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic51 (2022)
Projected traffic60 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Road Ll over Middle Horse Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is County Road Ll over Middle Horse 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 April 2023.

How much traffic does County Road Ll over Middle Horse Creek carry?

About 51 vehicles per day (2022 count).

How long is County Road Ll over Middle Horse Creek?

The structure is 93 ft (28.3 m) long with a longest span of 44 ft (13.3 m) and a deck 28 ft wide.

Who owns County Road Ll over Middle Horse Creek?

It is owned by the County Highway Agency.