US Bridges

44th Street NB over Salt River

Good

Maricopa County, Arizona · 1.0 MI N of University DR · Structure no. 10662

Built
1996
29 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
1,272 ft
9 main spans
Daily traffic
18,612
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

44th Street NB over Salt River is a prestressed concrete continuous stringer/multi-beam or girder carrying 44th Street NB over Salt River in Maricopa 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 18,612 vehicles a day, roughly 14% of them trucks, projected to reach 18,622 by 2039. The structure is 1,272 ft (387.6 m) long and 58 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries44th Street NB
CrossesSalt River
Location1.0 MI N of University DR
RouteCity Street 0
StateArizona
Coordinates33.4311, -111.9792
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating37.1 US tons
Inventory rating28.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length1,272 ft (387.6 m)
Longest span144 ft (43.8 m)
Deck width58 ft (17.8 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,612 (2019)
Projected traffic18,622 by 2039
Trucks14%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 44th Street NB over Salt River built?

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

What condition is 44th Street NB over Salt River 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 December 2023.

How much traffic does 44th Street NB over Salt River carry?

About 18,612 vehicles per day (2019 count), of which roughly 14% are trucks.

How long is 44th Street NB over Salt River?

The structure is 1,272 ft (387.6 m) long with a longest span of 144 ft (43.8 m) and a deck 58 ft wide.

Who owns 44th Street NB over Salt River?

It is owned by the City or Municipal Highway Agency.