US Bridges

I-8 Sfr over Sauceda Wash

Fair

Maricopa County, Arizona · 2.4 MI W JCT SR 85 · Structure no. 00439

Built
1930
95 years old, rebuilt 1971
Condition
Fair
inspected February 2023
Type
Slab
Concrete Continuous
Length
89 ft
4 main spans
Daily traffic
362
2021 count
Owner
State
State Highway Agency

About this bridge

I-8 Sfr over Sauceda Wash is a concrete continuous slab carrying I-8 Sfr over Sauceda Wash in Maricopa County, Arizona. It was built in 1930 and reconstructed in 1971, so it is 95 years old, older 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 362 vehicles a day, roughly 2% of them trucks, projected to reach 372 by 2041. The structure is 89 ft (27.1 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-8 Sfr
CrossesSauceda Wash
Location2.4 MI W JCT SR 85
RouteState Highway 8
CountyMaricopa County
StateArizona
Coordinates32.9365, -112.7731
Functional classRural Minor Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to 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 rating42 US tons
Inventory rating25 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length89 ft (27.1 m)
Longest span22 ft (6.7 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic362 (2021)
Projected traffic372 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I-8 Sfr over Sauceda Wash built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1971.

What condition is I-8 Sfr over Sauceda 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 February 2023.

How much traffic does I-8 Sfr over Sauceda Wash carry?

About 362 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is I-8 Sfr over Sauceda Wash?

The structure is 89 ft (27.1 m) long with a longest span of 22 ft (6.7 m) and a deck 27 ft wide.

Who owns I-8 Sfr over Sauceda Wash?

It is owned by the State Highway Agency.