US Bridges

Main Park Road over Wash

Good

Pinal County, Arizona · 300 Ft E of Mt Lemmon RD · Structure no. 07022

Built
1996
29 years old
Condition
Good
inspected June 2021
Type
Culvert
Concrete Continuous
Length
56 ft
4 main spans
Daily traffic
20
2017 count
Owner
State
State Park, Forest, or Reservation Agency

About this bridge

Main Park Road over Wash is a concrete continuous culvert carrying Main Park Road over Wash in Pinal County, Arizona. It was built in 1996, so it is 29 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 20 vehicles a day, roughly 5% of them trucks, projected to reach 30 by 2037. The structure is 56 ft (17.1 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesMain Park Road
CrossesWash
Location300 Ft E of Mt Lemmon RD
RouteState Lands Road 0
StateArizona
Coordinates32.6065, -110.7473
Functional classRural Local

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating99 US tons
Inventory rating82 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20
Structure length56 ft (17.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2017)
Projected traffic30 by 2037
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Park, Forest, or Reservation Agency
Maintained byState Park, Forest, or Reservation 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 Main Park Road over Wash built?

It was built in 1996, making it 29 years old in 2025.

What condition is Main Park Road over Wash 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 June 2021.

How much traffic does Main Park Road over Wash carry?

About 20 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Main Park Road over Wash?

The structure is 56 ft (17.1 m) long with a longest span of 10 ft (3 m).

Who owns Main Park Road over Wash?

It is owned by the State Park, Forest, or Reservation Agency.