US Bridges

Ruby Road over Sycamore Creek

Good

Santa Cruz County, Arizona · .2 MI N/O Sycamore Cyn · Structure no. 030502000003002

Built
1999
26 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
80 ft
1 main span
Daily traffic
50
2022 count
Owner
Federal
U.S. Forest Service

About this bridge

Ruby Road over Sycamore Creek is a steel stringer/multi-beam or girder carrying Ruby Road over Sycamore Creek in Santa Cruz County, Arizona. It was built in 1999, so it is 26 years old, younger than the Arizona average of 47.8 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 50 vehicles a day, projected to reach 100 by 2042. The structure is 80 ft (24.4 m) long and 17 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesRuby Road
CrossesSycamore Creek
Location.2 MI N/O Sycamore Cyn
RouteFederal Lands Road 39
CountySanta Cruz County
StateArizona
Coordinates31.43405, -111.18652
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating25.4 US tons
Inventory rating19.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckOpen grating
Main spans1
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span78 ft (23.9 m)
Deck width17 ft (5.1 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic100 by 2042
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$105,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Ruby Road over Sycamore Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Ruby Road over Sycamore 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 April 2024.

How much traffic does Ruby Road over Sycamore Creek carry?

About 50 vehicles per day (2022 count).

How long is Ruby Road over Sycamore Creek?

The structure is 80 ft (24.4 m) long with a longest span of 78 ft (23.9 m) and a deck 17 ft wide.

Who owns Ruby Road over Sycamore Creek?

It is owned by the U.S. Forest Service.