US Bridges

County Road 501 over Bear Creek

Good

La Plata County, Colorado · 5.3 MI N of Bayfield/Mp 5 · Structure no. 067050105.0003A

Built
2009
16 years old
Condition
Good
inspected October 2024
Type
Arch - Deck
Concrete
Length
54 ft
1 main span
Daily traffic
3,533
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 501 over Bear Creek is a concrete arch - deck carrying County Road 501 over Bear Creek in La Plata County, Colorado. It was built in 2009, so it is 16 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,533 vehicles a day, roughly 5% of them trucks, projected to reach 4,169 by 2042. The structure is 54 ft (16.5 m) long and 35 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesCounty Road 501
CrossesBear Creek
Location5.3 MI N of Bayfield/Mp 5
RouteCounty Highway 0
Coordinates37.30198, -107.59826
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
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 rating40 US tons
Inventory rating36 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length54 ft (16.5 m)
Longest span54 ft (16.5 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,533 (2022)
Projected traffic4,169 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 501 over Bear Creek built?

It was built in 2009, making it 16 years old in 2025.

What condition is County Road 501 over Bear Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does County Road 501 over Bear Creek carry?

About 3,533 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is County Road 501 over Bear Creek?

The structure is 54 ft (16.5 m) long with a longest span of 54 ft (16.5 m) and a deck 35 ft wide.

Who owns County Road 501 over Bear Creek?

It is owned by the County Highway Agency.