US Bridges

County Road 9 over Willow Creek Drain

FairPosted for load

Prowers County, Colorado · .1 MI South of SH 50 · Structure no. PR9-8-30.1-1D

Built
1973
52 years old, rebuilt 2004
Condition
Fair
inspected April 2023
Type
Girder and Floorbeam System
Steel
Length
61 ft
1 main span
Daily traffic
297
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 9 over Willow Creek Drain is a steel girder and floorbeam system carrying County Road 9 over Willow Creek Drain in Prowers County, Colorado. It was built in 1973 and reconstructed in 2004, so it is 52 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 6 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 load restriction.

It carries about 297 vehicles a day, roughly 2% of them trucks, projected to reach 354 by 2042. The structure is 61 ft (18.5 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCounty Road 9
CrossesWillow Creek Drain
Location.1 MI South of SH 50
RouteCounty Highway 0
CountyProwers County
StateColorado
Coordinates38.08654, -102.59512
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24.5 US tons
Inventory rating14.7 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length61 ft (18.5 m)
Longest span58 ft (17.6 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic297 (2022)
Projected traffic354 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 9 over Willow Creek Drain built?

It was built in 1973, making it 52 years old in 2025. It was reconstructed in 2004.

What condition is County Road 9 over Willow Creek Drain 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 9 over Willow Creek Drain carry?

About 297 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is County Road 9 over Willow Creek Drain?

The structure is 61 ft (18.5 m) long with a longest span of 58 ft (17.6 m) and a deck 28 ft wide.

Who owns County Road 9 over Willow Creek Drain?

It is owned by the County Highway Agency.