US Bridges

SR 74 over New River

Fair

Maricopa County, Arizona · 4.7 MI W JCT I-17 · Structure no. 02026

Built
1985
40 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
381 ft
4 main spans
Daily traffic
6,454
2019 count
Owner
State
State Highway Agency

About this bridge

SR 74 over New River is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 74 over New River 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 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 6,454 vehicles a day, roughly 9% of them trucks, projected to reach 6,464 by 2039. The structure is 381 ft (116.1 m) long and 41 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesSR 74
CrossesNew River
Location4.7 MI W JCT I-17
RouteState Highway 74
CountyMaricopa County
StateArizona
Coordinates33.7977, -112.2134
Functional classRural Principal Arterial - Other

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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length381 ft (116.1 m)
Longest span95 ft (29 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,454 (2019)
Projected traffic6,464 by 2039
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 74 over New River built?

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

What condition is SR 74 over New River 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 May 2024.

How much traffic does SR 74 over New River carry?

About 6,454 vehicles per day (2019 count), of which roughly 9% are trucks.

How long is SR 74 over New River?

The structure is 381 ft (116.1 m) long with a longest span of 95 ft (29 m) and a deck 41 ft wide.

Who owns SR 74 over New River?

It is owned by the State Highway Agency.