US Bridges

5th Street over Alamo Wash

Fair

Pima County, Arizona · 0.2 MI W JCT Wilmot RD · Structure no. 09513

Built
1963
62 years old
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
60 ft
3 main spans
Daily traffic
12,235
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

5th Street over Alamo Wash is a prestressed concrete box beam or girders - multiple carrying 5th Street over Alamo Wash in Pima County, Arizona. It was built in 1963, so it is 62 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 12,235 vehicles a day, roughly 5% of them trucks, projected to reach 12,245 by 2042. The structure is 60 ft (18.3 m) long and 80 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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Carries5th Street
CrossesAlamo Wash
Location0.2 MI W JCT Wilmot RD
RouteCity Street 0
CountyPima County
StateArizona
Coordinates32.2289, -110.8618
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41 US tons
Inventory rating25 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span18 ft (5.5 m)
Deck width80 ft (24.4 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,235 (2022)
Projected traffic12,245 by 2042
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 5th Street over Alamo Wash built?

It was built in 1963, making it 62 years old in 2025.

What condition is 5th Street over Alamo 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 March 2023.

How much traffic does 5th Street over Alamo Wash carry?

About 12,235 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is 5th Street over Alamo Wash?

The structure is 60 ft (18.3 m) long with a longest span of 18 ft (5.5 m) and a deck 80 ft wide.

Who owns 5th Street over Alamo Wash?

It is owned by the City or Municipal Highway Agency.