US Bridges

Fox Ranch RD Ti over I 17

Fair

Coconino County, Arizona · 18.9 MI North JCT SR 179 · Structure no. 01655

Built
1976
49 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
216 ft
2 main spans
Daily traffic
170
2022 count
Owner
State
State Highway Agency

About this bridge

Fox Ranch RD Ti over I 17 is a steel continuous stringer/multi-beam or girder carrying Fox Ranch RD Ti over I 17 in Coconino County, Arizona. It was built in 1976, so it is 49 years old, older than the Arizona average of 47.8 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 170 vehicles a day, projected to reach 180 by 2042. The structure is 216 ft (65.8 m) long and 29 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesFox Ranch RD Ti
CrossesI 17
Location18.9 MI North JCT SR 179
RouteFederal Lands Road 0
StateArizona
Coordinates34.875, -111.6354
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.9 US tons
Inventory rating45 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length216 ft (65.8 m)
Longest span106 ft (32.3 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic170 (2022)
Projected traffic180 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Fox Ranch RD Ti over I 17 built?

It was built in 1976, making it 49 years old in 2025.

What condition is Fox Ranch RD Ti over I 17 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 July 2023.

How much traffic does Fox Ranch RD Ti over I 17 carry?

About 170 vehicles per day (2022 count).

How long is Fox Ranch RD Ti over I 17?

The structure is 216 ft (65.8 m) long with a longest span of 106 ft (32.3 m) and a deck 29 ft wide.

Who owns Fox Ranch RD Ti over I 17?

It is owned by the State Highway Agency.