US Bridges

Redstone Ranch RD over Crystal River

Fair

Pitkin County, Colorado · Just E of SH133 at MP50 · Structure no. PIT-133-5.0A

Built
1992
33 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
62 ft
1 main span
Daily traffic
161
2022 count
Owner
County
County Highway Agency

About this bridge

Redstone Ranch RD over Crystal River is a steel stringer/multi-beam or girder carrying Redstone Ranch RD over Crystal River in Pitkin County, Colorado. It was built in 1992, so it is 33 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 5 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 161 vehicles a day, roughly 2% of them trucks, projected to reach 177 by 2042. The structure is 62 ft (18.9 m) long and 20 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesRedstone Ranch RD
CrossesCrystal River
LocationJust E of SH133 at MP50
RouteCounty Highway 0
Coordinates39.16269, -107.24905
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure8 Very GoodNo problems noted.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.5 US tons
Inventory rating29 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length62 ft (18.9 m)
Longest span57 ft (17.5 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic161 (2022)
Projected traffic177 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$251,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Redstone Ranch RD over Crystal River built?

It was built in 1992, making it 33 years old in 2025.

What condition is Redstone Ranch RD over Crystal River 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 Redstone Ranch RD over Crystal River carry?

About 161 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Redstone Ranch RD over Crystal River?

The structure is 62 ft (18.9 m) long with a longest span of 57 ft (17.5 m) and a deck 20 ft wide.

Who owns Redstone Ranch RD over Crystal River?

It is owned by the County Highway Agency.