US Bridges

SR 96; FAS 370 over Santa Maria River

Fair

Yavapai County, Arizona · 6.8 MI E JCT SR 97 · Structure no. 00225

Built
1939
86 years old
Condition
Fair
inspected September 2023
Type
Girder and Floorbeam System
Steel Continuous
Length
392 ft
5 main spans
Daily traffic
453
2023 count
Owner
State
State Highway Agency

About this bridge

SR 96; FAS 370 over Santa Maria River is a steel continuous girder and floorbeam system carrying SR 96; FAS 370 over Santa Maria River in Yavapai County, Arizona. It was built in 1939, so it is 86 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 5 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 453 vehicles a day, roughly 7% of them trucks, projected to reach 463 by 2042. The structure is 392 ft (119.5 m) long and 25 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

Location

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CarriesSR 96; FAS 370
CrossesSanta Maria River
Location6.8 MI E JCT SR 97
RouteState Highway 96
CountyYavapai County
StateArizona
Coordinates34.4812, -113.0611
Functional classRural Major 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating29 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length392 ft (119.5 m)
Longest span81 ft (24.7 m)
Deck width25 ft (7.5 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic453 (2023)
Projected traffic463 by 2042
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 96; FAS 370 over Santa Maria River built?

It was built in 1939, making it 86 years old in 2025.

What condition is SR 96; FAS 370 over Santa Maria 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 September 2023.

How much traffic does SR 96; FAS 370 over Santa Maria River carry?

About 453 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is SR 96; FAS 370 over Santa Maria River?

The structure is 392 ft (119.5 m) long with a longest span of 81 ft (24.7 m) and a deck 25 ft wide.

Who owns SR 96; FAS 370 over Santa Maria River?

It is owned by the State Highway Agency.