US Bridges

Irvington Road over Santa Cruz River

Fair

Pima County, Arizona · 0.5 MI W JCT I-19 · Structure no. 08637

Built
1981
44 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
300 ft
3 main spans
Daily traffic
14,979
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Irvington Road over Santa Cruz River is a prestressed concrete continuous stringer/multi-beam or girder carrying Irvington Road over Santa Cruz River in Pima County, Arizona. It was built in 1981, so it is 44 years old, younger 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 14,979 vehicles a day, roughly 5% of them trucks, projected to reach 14,989 by 2042. The structure is 300 ft (91.4 m) long and 68 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesIrvington Road
CrossesSanta Cruz River
Location0.5 MI W JCT I-19
RouteCity Street 0
CountyPima County
StateArizona
Coordinates32.1632, -110.9932
Functional classUrban 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
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 protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating41 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length300 ft (91.4 m)
Longest span99 ft (30.2 m)
Deck width68 ft (20.7 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,979 (2023)
Projected traffic14,989 by 2042
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 Irvington Road over Santa Cruz River built?

It was built in 1981, making it 44 years old in 2025.

What condition is Irvington Road over Santa Cruz River 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 May 2023.

How much traffic does Irvington Road over Santa Cruz River carry?

About 14,979 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Irvington Road over Santa Cruz River?

The structure is 300 ft (91.4 m) long with a longest span of 99 ft (30.2 m) and a deck 68 ft wide.

Who owns Irvington Road over Santa Cruz River?

It is owned by the City or Municipal Highway Agency.