US Bridges

35th Avenue over Salt River

Fair

Maricopa County, Arizona · 0.2 MI N of Broadway · Structure no. 10546

Built
2008
17 years old
Condition
Fair
inspected October 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
1,107 ft
9 main spans
Daily traffic
34,367
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

35th Avenue over Salt River is a prestressed concrete continuous stringer/multi-beam or girder carrying 35th Avenue over Salt River in Maricopa County, Arizona. It was built in 2008, so it is 17 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 34,367 vehicles a day, roughly 5% of them trucks, projected to reach 34,377 by 2041. The structure is 1,107 ft (337.4 m) long and 91 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries35th Avenue
CrossesSalt River
Location0.2 MI N of Broadway
RouteCity Street 0
StateArizona
Coordinates33.4092, -112.1338
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2022
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating57 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length1,107 ft (337.4 m)
Longest span123 ft (37.5 m)
Deck width91 ft (27.7 m)
Roadway width74 ft (22.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,367 (2021)
Projected traffic34,377 by 2041
Trucks5%
Lanes on structure4
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

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 35th Avenue over Salt River built?

It was built in 2008, making it 17 years old in 2025.

What condition is 35th Avenue over Salt 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 October 2022.

How much traffic does 35th Avenue over Salt River carry?

About 34,367 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is 35th Avenue over Salt River?

The structure is 1,107 ft (337.4 m) long with a longest span of 123 ft (37.5 m) and a deck 91 ft wide.

Who owns 35th Avenue over Salt River?

It is owned by the City or Municipal Highway Agency.