US Bridges

County Road 9D over Capitol Creek

Fair

Pitkin County, Colorado · 1.6 Miles S of CR 9 · Structure no. PIT-09D-01.5

Built
1901
124 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
2
2024 count
Owner
County
County Highway Agency

About this bridge

County Road 9D over Capitol Creek is a steel stringer/multi-beam or girder carrying County Road 9D over Capitol Creek in Pitkin County, Colorado. It was built in 1901, so it is 124 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.

It carries about 2 vehicles a day. The structure is 31 ft (9.5 m) long and 17 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesCounty Road 9D
CrossesCapitol Creek
Location1.6 Miles S of CR 9
RouteCounty Highway 0
CountyPitkin County
StateColorado
Coordinates39.24283, -107.04262
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating40.8 US tons
Inventory rating24.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length31 ft (9.5 m)
Longest span29 ft (8.8 m)
Deck width17 ft (5.1 m)
Roadway width14 ft (4.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2 (2024)
Projected traffic—
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-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—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 9D over Capitol Creek built?

It was built in 1901, making it 124 years old in 2025.

What condition is County Road 9D over Capitol 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 May 2024.

How much traffic does County Road 9D over Capitol Creek carry?

About 2 vehicles per day (2024 count).

How long is County Road 9D over Capitol Creek?

The structure is 31 ft (9.5 m) long with a longest span of 29 ft (8.8 m) and a deck 17 ft wide.

Who owns County Road 9D over Capitol Creek?

It is owned by the County Highway Agency.