US Bridges

IRR SR 85; FAP 075 over Rio Cornez Wash

Fair

Pima County, Arizona · 32.9 MI S JCT SR B 8 · Structure no. 00214

Built
1938
87 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
246 ft
7 main spans
Daily traffic
1,641
2022 count
Owner
State
State Highway Agency

About this bridge

IRR SR 85; FAP 075 over Rio Cornez Wash is a steel continuous stringer/multi-beam or girder carrying IRR SR 85; FAP 075 over Rio Cornez Wash in Pima County, Arizona. It was built in 1938, so it is 87 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 6 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 1,641 vehicles a day, roughly 8% of them trucks, projected to reach 1,651 by 2042. The structure is 246 ft (75 m) long and 29 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesIRR SR 85; FAP 075
CrossesRio Cornez Wash
Location32.9 MI S JCT SR B 8
RouteState Highway 85
CountyPima County
StateArizona
Coordinates32.4995, -112.8814
Functional classRural Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42 US tons
Inventory rating25 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length246 ft (75 m)
Longest span37 ft (11.3 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,641 (2022)
Projected traffic1,651 by 2042
Trucks8%
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

OwnerState Highway Agency
Maintained byState 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 IRR SR 85; FAP 075 over Rio Cornez Wash built?

It was built in 1938, making it 87 years old in 2025.

What condition is IRR SR 85; FAP 075 over Rio Cornez Wash 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 IRR SR 85; FAP 075 over Rio Cornez Wash carry?

About 1,641 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is IRR SR 85; FAP 075 over Rio Cornez Wash?

The structure is 246 ft (75 m) long with a longest span of 37 ft (11.3 m) and a deck 29 ft wide.

Who owns IRR SR 85; FAP 075 over Rio Cornez Wash?

It is owned by the State Highway Agency.