US Bridges

Interstate 5 NB over San Juan Road

Fair

Sacramento County, California · 03-SAC-005-26.91-SAC · Structure no. 24 0209R

Built
1968
57 years old
Condition
Fair
inspected January 2025
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
128 ft
3 main spans
Daily traffic
69,000
2015 count
Owner
State
State Highway Agency

About this bridge

Interstate 5 NB over San Juan Road is a concrete continuous box beam or girders - multiple carrying Interstate 5 NB over San Juan Road in Sacramento County, California. It was built in 1968, so it is 57 years old, older than the California average of 54.8 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 69,000 vehicles a day, roughly 8% of them trucks, projected to reach 125,815 by 2047. The structure is 128 ft (39 m) long and 100 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesInterstate 5 NB
CrossesSan Juan Road
Location03-SAC-005-26.91-SAC
RouteInterstate 5
Coordinates38.62765, -121.51795
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating42.1 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length128 ft (39 m)
Longest span69 ft (21 m)
Deck width100 ft (30.5 m)
Roadway width90 ft (27.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic69,000 (2015)
Projected traffic125,815 by 2047
Trucks8%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.8 mi (11 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 San Juan Road built?

It was built in 1968, making it 57 years old in 2025.

What condition is Interstate 5 NB over San Juan Road 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 January 2025.

How much traffic does Interstate 5 NB over San Juan Road carry?

About 69,000 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is Interstate 5 NB over San Juan Road?

The structure is 128 ft (39 m) long with a longest span of 69 ft (21 m) and a deck 100 ft wide.

Who owns Interstate 5 NB over San Juan Road?

It is owned by the State Highway Agency.