US Bridges

I 10 EB & WB over Salt River

Fair

Maricopa County, Arizona · 1.0 MI E of JCT I 17 · Structure no. 02003

Built
1986
39 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
1,083 ft
8 main spans
Daily traffic
176,487
2020 count
Owner
State
State Highway Agency

About this bridge

I 10 EB & WB over Salt River is a prestressed concrete continuous stringer/multi-beam or girder carrying I 10 EB & WB over Salt River in Maricopa County, Arizona. It was built in 1986, so it is 39 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 176,487 vehicles a day, roughly 4% of them trucks, projected to reach 176,497 by 2040. The structure is 1,083 ft (330.1 m) long and 207 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesI 10 EB & WB
CrossesSalt River
Location1.0 MI E of JCT I 17
RouteInterstate 10
StateArizona
Coordinates33.4204, -112.0194
Functional classUrban Principal Arterial - Interstate

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating43 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length1,083 ft (330.1 m)
Longest span134 ft (40.8 m)
Deck width207 ft (63.2 m)
Roadway width132 ft (40.2 m)
Vertical clearance over deck25 ft (7.6 m)

Traffic and service

Average daily traffic176,487 (2020)
Projected traffic176,497 by 2040
Trucks4%
Lanes on structure13
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I 10 EB & WB over Salt River built?

It was built in 1986, making it 39 years old in 2025.

What condition is I 10 EB & WB 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 August 2024.

How much traffic does I 10 EB & WB over Salt River carry?

About 176,487 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is I 10 EB & WB over Salt River?

The structure is 1,083 ft (330.1 m) long with a longest span of 134 ft (40.8 m) and a deck 207 ft wide.

Who owns I 10 EB & WB over Salt River?

It is owned by the State Highway Agency.