US Bridges

Madera Canyon RD over Florida Canyon Wash

Poor

Pima County, Arizona · 0.7 MI S White Hs Cyn R · Structure no. 08302

Built
1935
90 years old, rebuilt 1954
Condition
Poor
inspected December 2023
Type
Slab
Concrete Continuous
Length
50 ft
2 main spans
Daily traffic
1,200
2022 count
Owner
County
County Highway Agency

About this bridge

Madera Canyon RD over Florida Canyon Wash is a concrete continuous slab carrying Madera Canyon RD over Florida Canyon Wash in Pima County, Arizona. It was built in 1935 and reconstructed in 1954, so it is 90 years old, older than the Arizona average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 1,200 vehicles a day, projected to reach 1,210 by 2042. The structure is 50 ft (15.2 m) long and 16 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesMadera Canyon RD
CrossesFlorida Canyon Wash
Location0.7 MI S White Hs Cyn R
RouteCounty Highway 0
CountyPima County
StateArizona
Coordinates31.78209, -110.88693
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating80 US tons
Inventory rating48 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 15
Structure length50 ft (15.2 m)
Longest span24 ft (7.3 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2022)
Projected traffic1,210 by 2042
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Madera Canyon RD over Florida Canyon Wash built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1954.

What condition is Madera Canyon RD over Florida Canyon Wash in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2023.

How much traffic does Madera Canyon RD over Florida Canyon Wash carry?

About 1,200 vehicles per day (2022 count).

How long is Madera Canyon RD over Florida Canyon Wash?

The structure is 50 ft (15.2 m) long with a longest span of 24 ft (7.3 m) and a deck 16 ft wide.

Who owns Madera Canyon RD over Florida Canyon Wash?

It is owned by the County Highway Agency.