US Bridges

N Old Gilbert Road over Eastern Canal

Fair

Maricopa County, Arizona · 0.1 MI E JCT Gilbert RD · Structure no. 08018

Built
1972
53 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete Continuous
Length
37 ft
2 main spans
Daily traffic
2,482
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

N Old Gilbert Road over Eastern Canal is a concrete continuous culvert carrying N Old Gilbert 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 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 2,482 vehicles a day, roughly 2% of them trucks, projected to reach 2,492 by 2039. The structure is 37 ft (11.3 m) long and 81 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesN Old Gilbert Road
CrossesEastern Canal
Location0.1 MI E JCT Gilbert RD
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.458, -111.7876
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59 US tons
Inventory rating35.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span18 ft (5.5 m)
Deck width81 ft (24.7 m)
Roadway width69 ft (21 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,482 (2019)
Projected traffic2,492 by 2039
Trucks2%
Lanes on structure3
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 N Old Gilbert Road over Eastern Canal built?

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

What condition is N Old Gilbert 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 July 2023.

How much traffic does N Old Gilbert Road over Eastern Canal carry?

About 2,482 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is N Old Gilbert Road over Eastern Canal?

The structure is 37 ft (11.3 m) long with a longest span of 18 ft (5.5 m) and a deck 81 ft wide.

Who owns N Old Gilbert Road over Eastern Canal?

It is owned by the City or Municipal Highway Agency.