US Bridges

Baseline Road over Eastern Canal

Fair

Maricopa County, Arizona · 1/2 MI E Greenfield · Structure no. 09300

Built
1972
53 years old
Condition
Fair
inspected September 2024
Type
Frame
Concrete
Length
29 ft
1 main span
Daily traffic
28,294
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Baseline Road over Eastern Canal is a concrete frame carrying Baseline Road over Eastern Canal in Maricopa County, Arizona. It was built in 1972, so it is 53 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 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 28,294 vehicles a day, roughly 5% of them trucks, projected to reach 28,304 by 2042. The structure is 29 ft (8.8 m) long and 101 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesBaseline Road
CrossesEastern Canal
Location1/2 MI E Greenfield
RouteCity Street 0
StateArizona
Coordinates33.37922, -111.73322
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating24 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span27 ft (8.2 m)
Deck width101 ft (30.8 m)
Roadway width89 ft (27.1 m)
Vertical clearance over deck17 ft (5 m)

Traffic and service

Average daily traffic28,294 (2023)
Projected traffic28,304 by 2042
Trucks5%
Lanes on structure5
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

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Baseline Road over Eastern Canal built?

It was built in 1972, making it 53 years old in 2025.

What condition is Baseline Road over Eastern Canal 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 September 2024.

How much traffic does Baseline Road over Eastern Canal carry?

About 28,294 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Baseline Road over Eastern Canal?

The structure is 29 ft (8.8 m) long with a longest span of 27 ft (8.2 m) and a deck 101 ft wide.

Who owns Baseline Road over Eastern Canal?

It is owned by the Town or Township Highway Agency.