US Bridges

Broadway RD over Alamo Wash

Good

Pima County, Arizona · 0.3 MI W JCT Wilmot RD · Structure no. 10296

Built
1964
61 years old, rebuilt 1978
Condition
Good
inspected March 2023
Type
Slab
Concrete Continuous
Length
67 ft
3 main spans
Daily traffic
41,998
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Broadway RD over Alamo Wash is a concrete continuous slab carrying Broadway RD over Alamo Wash in Pima County, Arizona. It was built in 1964 and reconstructed in 1978, so it is 61 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 41,998 vehicles a day, roughly 5% of them trucks, projected to reach 42,008 by 2042. The structure is 67 ft (20.4 m) long and 122 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBroadway RD
CrossesAlamo Wash
Location0.3 MI W JCT Wilmot RD
RouteCity Street 0
StateArizona
Coordinates32.2215, -110.8623
Functional classUrban Other Principal Arterial

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 protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69 US tons
Inventory rating41 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length67 ft (20.4 m)
Longest span26 ft (7.9 m)
Deck width122 ft (37.2 m)
Roadway width96 ft (29.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41,998 (2022)
Projected traffic42,008 by 2042
Trucks5%
Lanes on structure8
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Broadway RD over Alamo Wash built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1978.

What condition is Broadway RD over Alamo Wash 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 March 2023.

How much traffic does Broadway RD over Alamo Wash carry?

About 41,998 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Broadway RD over Alamo Wash?

The structure is 67 ft (20.4 m) long with a longest span of 26 ft (7.9 m) and a deck 122 ft wide.

Who owns Broadway RD over Alamo Wash?

It is owned by the City or Municipal Highway Agency.