US Bridges

Interstate 5 NB over Gaffery Road

Good

San Joaquin County, California · 10-SJ-005-0.28R · Structure no. 29 0227R

Built
1967
58 years old
Condition
Good
inspected September 2024
Type
Slab
Concrete Continuous
Length
92 ft
3 main spans
Daily traffic
28,500
2009 count
Owner
State
State Highway Agency

About this bridge

Interstate 5 NB over Gaffery Road is a concrete continuous slab carrying Interstate 5 NB over Gaffery Road in San Joaquin County, California. It was built in 1967, so it is 58 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 28,500 vehicles a day, roughly 25% of them trucks, projected to reach 71,905 by 2046. The structure is 92 ft (28 m) long and 75 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesInterstate 5 NB
CrossesGaffery Road
Location10-SJ-005-0.28R
RouteInterstate 5
Coordinates37.59407, -121.33714
Functional classRural Principal Arterial - Interstate

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.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.1 US tons
Inventory rating42.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length92 ft (28 m)
Longest span36 ft (11 m)
Deck width75 ft (22.9 m)
Roadway width73 ft (22.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,500 (2009)
Projected traffic71,905 by 2046
Trucks25%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed14.3 mi (23 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Interstate 5 NB over Gaffery Road built?

It was built in 1967, making it 58 years old in 2025.

What condition is Interstate 5 NB over Gaffery Road 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 September 2024.

How much traffic does Interstate 5 NB over Gaffery Road carry?

About 28,500 vehicles per day (2009 count), of which roughly 25% are trucks.

How long is Interstate 5 NB over Gaffery Road?

The structure is 92 ft (28 m) long with a longest span of 36 ft (11 m) and a deck 75 ft wide.

Who owns Interstate 5 NB over Gaffery Road?

It is owned by the State Highway Agency.