US Bridges

County Road 502 over West Willow Creek

Fair

Mineral County, Colorado · 1.2 MI N of Creede · Structure no. MIN502-0.1-5A

Built
1998
27 years old
Condition
Fair
inspected October 2024
Type
Slab
Prestressed Concrete
Length
35 ft
1 main span
Daily traffic
158
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 502 over West Willow Creek is a prestressed concrete slab carrying County Road 502 over West Willow Creek in Mineral County, Colorado. It was built in 1998, so it is 27 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 158 vehicles a day, projected to reach 193 by 2042. The structure is 35 ft (10.7 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCounty Road 502
CrossesWest Willow Creek
Location1.2 MI N of Creede
RouteCounty Highway 0
CountyMineral County
StateColorado
Coordinates37.86463, -106.92555
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99.9 US tons
Inventory rating61.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span32 ft (9.7 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic158 (2022)
Projected traffic193 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 502 over West Willow Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is County Road 502 over West Willow 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 October 2024.

How much traffic does County Road 502 over West Willow Creek carry?

About 158 vehicles per day (2022 count).

How long is County Road 502 over West Willow Creek?

The structure is 35 ft (10.7 m) long with a longest span of 32 ft (9.7 m) and a deck 29 ft wide.

Who owns County Road 502 over West Willow Creek?

It is owned by the County Highway Agency.