US Bridges

59th Avenue over Papago W

Good

Maricopa County, Arizona · 0.1 MI North of JCT I 10 · Structure no. 06777

Built
1984
41 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
185,167
2021 count
Owner
State
State Highway Agency

About this bridge

59th Avenue over Papago W is a concrete continuous culvert carrying 59th Avenue over Papago W in Maricopa County, Arizona. It was built in 1984, so it is 41 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 185,167 vehicles a day, roughly 4% of them trucks, projected to reach 185,177 by 2041. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries59th Avenue
CrossesPapago W
Location0.1 MI North of JCT I 10
RouteInterstate 10
CountyMaricopa County
StateArizona
Coordinates33.46401, -112.18639
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic185,167 (2021)
Projected traffic185,177 by 2041
Trucks4%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 59th Avenue over Papago W built?

It was built in 1984, making it 41 years old in 2025.

What condition is 59th Avenue over Papago W 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 59th Avenue over Papago W carry?

About 185,167 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is 59th Avenue over Papago W?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).

Who owns 59th Avenue over Papago W?

It is owned by the State Highway Agency.