US Bridges

Dunlap Avenue over Az Canal Div Channel

Good

Maricopa County, Arizona · Dunlap Ave E of 7th Ave · Structure no. 07916

Built
1990
35 years old
Condition
Good
inspected October 2022
Type
Culvert
Concrete Continuous
Length
60 ft
2 main spans
Daily traffic
29,095
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Dunlap Avenue over Az Canal Div Channel is a concrete continuous culvert carrying Dunlap Avenue over Az Canal Div Channel in Maricopa County, Arizona. It was built in 1990, so it is 35 years old, younger 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 29,095 vehicles a day, roughly 1% of them trucks, projected to reach 29,105 by 2041. The structure is 60 ft (18.3 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesDunlap Avenue
CrossesAz Canal Div Channel
LocationDunlap Ave E of 7th Ave
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.5676, -112.0795
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating79.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span30 ft (9.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,095 (2021)
Projected traffic29,105 by 2041
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Dunlap Avenue over Az Canal Div Channel built?

It was built in 1990, making it 35 years old in 2025.

What condition is Dunlap Avenue over Az Canal Div Channel 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 October 2022.

How much traffic does Dunlap Avenue over Az Canal Div Channel carry?

About 29,095 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Dunlap Avenue over Az Canal Div Channel?

The structure is 60 ft (18.3 m) long with a longest span of 30 ft (9.1 m).

Who owns Dunlap Avenue over Az Canal Div Channel?

It is owned by the City or Municipal Highway Agency.