US Bridges

Maricopa-Cg HWY over Santa Rosa Wash

Fair

Pinal County, Arizona · 1.2 MI E JCT SR 347 · Structure no. 10269

Built
2004
21 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
213 ft
3 main spans
Daily traffic
7,308
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Maricopa-Cg HWY over Santa Rosa Wash is a prestressed concrete continuous stringer/multi-beam or girder carrying Maricopa-Cg HWY over Santa Rosa Wash in Pinal County, Arizona. It was built in 2004, so it is 21 years old, younger 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 7,308 vehicles a day, roughly 5% of them trucks, projected to reach 7,318 by 2042. The structure is 213 ft (64.9 m) long and 49 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesMaricopa-Cg HWY
CrossesSanta Rosa Wash
Location1.2 MI E JCT SR 347
RouteCounty Highway 0
CountyPinal County
StateArizona
Coordinates33.0467, -112.0315
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79 US tons
Inventory rating44 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length213 ft (64.9 m)
Longest span70 ft (21.3 m)
Deck width49 ft (14.9 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,308 (2022)
Projected traffic7,318 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Maricopa-Cg HWY over Santa Rosa Wash built?

It was built in 2004, making it 21 years old in 2025.

What condition is Maricopa-Cg HWY over Santa Rosa Wash 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 April 2024.

How much traffic does Maricopa-Cg HWY over Santa Rosa Wash carry?

About 7,308 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Maricopa-Cg HWY over Santa Rosa Wash?

The structure is 213 ft (64.9 m) long with a longest span of 70 ft (21.3 m) and a deck 49 ft wide.

Who owns Maricopa-Cg HWY over Santa Rosa Wash?

It is owned by the City or Municipal Highway Agency.