US Bridges

75th Ave over Papago Drain

Good

Maricopa County, Arizona · 0.1 MI North JCT I 10 · Structure no. 06760

Built
1985
40 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete Continuous
Length
51 ft
4 main spans
Daily traffic
36,546
2021 count
Owner
State
State Highway Agency

About this bridge

75th Ave over Papago Drain is a concrete continuous culvert carrying 75th Ave over Papago Drain in Maricopa County, Arizona. It was built in 1985, so it is 40 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 36,546 vehicles a day, roughly 5% of them trucks, projected to reach 36,556 by 2041. The structure is 51 ft (15.5 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Carries75th Ave
CrossesPapago Drain
Location0.1 MI North JCT I 10
RouteInterstate 10
StateArizona
Coordinates33.46361, -112.22054
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 rating93 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20
Structure length51 ft (15.5 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 traffic36,546 (2021)
Projected traffic36,556 by 2041
Trucks5%
Lanes on structure7
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

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 75th Ave over Papago Drain built?

It was built in 1985, making it 40 years old in 2025.

What condition is 75th Ave over Papago Drain 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 75th Ave over Papago Drain carry?

About 36,546 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is 75th Ave over Papago Drain?

The structure is 51 ft (15.5 m) long with a longest span of 12 ft (3.7 m).

Who owns 75th Ave over Papago Drain?

It is owned by the State Highway Agency.