US Bridges

Sperry Road over Salado Creek

Good

Stanislaus County, California · 1.7 MI E/O I-5 W/O Ae Av · Structure no. 38C0104

Built
1920
105 years old, rebuilt 2001
Condition
Good
inspected October 2023
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
8,770
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Sperry Road over Salado Creek is a concrete slab carrying Sperry Road over Salado Creek in Stanislaus County, California. It was built in 1920 and reconstructed in 2001, so it is 105 years old, older than the California average of 54.8 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 8,770 vehicles a day, roughly 3% of them trucks, projected to reach 11,182 by 2045. The structure is 23 ft (7 m) long and 92 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSperry Road
CrossesSalado Creek
Location1.7 MI E/O I-5 W/O Ae Av
RouteCity Street 0
Coordinates37.46428, -121.15028
Functional classUrban Other Principal Arterial

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 protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating51.8 US tons
Inventory rating31.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length23 ft (7 m)
Longest span21 ft (6.5 m)
Deck width92 ft (28 m)
Roadway width77 ft (23.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,770 (2017)
Projected traffic11,182 by 2045
Trucks3%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sperry Road over Salado Creek built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 2001.

What condition is Sperry Road over Salado Creek 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 October 2023.

How much traffic does Sperry Road over Salado Creek carry?

About 8,770 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is Sperry Road over Salado Creek?

The structure is 23 ft (7 m) long with a longest span of 21 ft (6.5 m) and a deck 92 ft wide.

Who owns Sperry Road over Salado Creek?

It is owned by the City or Municipal Highway Agency.