US Bridges

Site 2 South Acces over Drainage Ditch

Good

Pima County, Arizona · Site 2 S. Access Intersec · Structure no. AF49ACHA0001311

Built
1954
71 years old
Condition
Good
inspected November 2023
Type
Frame
Concrete Continuous
Length
34 ft
3 main spans
Daily traffic
6,000
2017 count
Owner
Federal
Air Force

About this bridge

Site 2 South Acces over Drainage Ditch is a concrete continuous frame carrying Site 2 South Acces over Drainage Ditch in Pima County, Arizona. It was built in 1954, so it is 71 years old, older 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 6,000 vehicles a day, roughly 20% of them trucks, projected to reach 7,200 by 2037. The structure is 34 ft (10.3 m) long and 79 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSite 2 South Acces
CrossesDrainage Ditch
LocationSite 2 S. Access Intersec
StateArizona
Coordinates32.09995, -110.94335
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 protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length34 ft (10.3 m)
Longest span10 ft (3 m)
Deck width79 ft (24.1 m)
Roadway width45 ft (13.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,000 (2017)
Projected traffic7,200 by 2037
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerAir Force
Maintained byAir Force
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 Site 2 South Acces over Drainage Ditch built?

It was built in 1954, making it 71 years old in 2025.

What condition is Site 2 South Acces over Drainage Ditch 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 November 2023.

How much traffic does Site 2 South Acces over Drainage Ditch carry?

About 6,000 vehicles per day (2017 count), of which roughly 20% are trucks.

How long is Site 2 South Acces over Drainage Ditch?

The structure is 34 ft (10.3 m) long with a longest span of 10 ft (3 m) and a deck 79 ft wide.

Who owns Site 2 South Acces over Drainage Ditch?

It is owned by the Air Force.