US Bridges

Box Canyon Road over Red Mountain Creek

Fair

Ouray County, Colorado · RD to Box Canyon Park · Structure no. OURAY-PWDR HS

Built
1988
37 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
34 ft
1 main span
Daily traffic
233
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Box Canyon Road over Red Mountain Creek is a steel stringer/multi-beam or girder carrying Box Canyon Road over Red Mountain Creek in Ouray County, Colorado. It was built in 1988, so it is 37 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 233 vehicles a day, projected to reach 257 by 2042. The structure is 34 ft (10.5 m) long and 16 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBox Canyon Road
CrossesRed Mountain Creek
LocationRD to Box Canyon Park
RouteCity Street 0
Coordinates38.01633, -107.67411
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating108.9 US tons
Inventory rating65.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length34 ft (10.5 m)
Longest span29 ft (8.7 m)
Deck width16 ft (5 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic233 (2022)
Projected traffic257 by 2042
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Box Canyon Road over Red Mountain Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is Box Canyon Road over Red Mountain 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 2023.

How much traffic does Box Canyon Road over Red Mountain Creek carry?

About 233 vehicles per day (2022 count).

How long is Box Canyon Road over Red Mountain Creek?

The structure is 34 ft (10.5 m) long with a longest span of 29 ft (8.7 m) and a deck 16 ft wide.

Who owns Box Canyon Road over Red Mountain Creek?

It is owned by the City or Municipal Highway Agency.