US Bridges

County Road 15 over Castle Creek

Good

Pitkin County, Colorado · 9 MI South of HWY 82 · Structure no. PIT-015-09.0A

Built
2020
5 years old
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
80 ft
1 main span
Daily traffic
377
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 15 over Castle Creek is a prestressed concrete box beam or girders - single or spread carrying County Road 15 over Castle Creek in Pitkin County, Colorado. It was built in 2020, so it is 5 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 377 vehicles a day, roughly 2% of them trucks, projected to reach 415 by 2042. The structure is 80 ft (24.4 m) long and 33 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesCounty Road 15
CrossesCastle Creek
Location9 MI South of HWY 82
RouteCounty Highway 0
CountyPitkin County
StateColorado
Coordinates39.08293, -106.80802
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating66 US tons
Inventory rating45.3 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length80 ft (24.4 m)
Longest span78 ft (23.9 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic377 (2022)
Projected traffic415 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was County Road 15 over Castle Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is County Road 15 over Castle 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 May 2024.

How much traffic does County Road 15 over Castle Creek carry?

About 377 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is County Road 15 over Castle Creek?

The structure is 80 ft (24.4 m) long with a longest span of 78 ft (23.9 m) and a deck 33 ft wide.

Who owns County Road 15 over Castle Creek?

It is owned by the County Highway Agency.