US Bridges

Interstate 5 over Tustin Channel

Good

Orange County, California · 12-ORA-005-30.60-TUS · Structure no. 55 0742

Built
1995
30 years old
Condition
Good
inspected August 2023
Type
Slab
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
300,000
2020 count
Owner
State
State Highway Agency

About this bridge

Interstate 5 over Tustin Channel is a prestressed concrete slab carrying Interstate 5 over Tustin Channel in Orange County, California. It was built in 1995, so it is 30 years old, younger 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 300,000 vehicles a day, roughly 5% of them trucks, projected to reach 399,594 by 2040. The structure is 28 ft (8.5 m) long and 212 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 5
CrossesTustin Channel
Location12-ORA-005-30.60-TUS
RouteInterstate 5
Coordinates33.74294, -117.83921
Functional classUrban 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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length28 ft (8.5 m)
Longest span28 ft (8.5 m)
Deck width212 ft (64.6 m)
Roadway width199 ft (60.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300,000 (2020)
Projected traffic399,594 by 2040
Trucks5%
Lanes on structure14
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Interstate 5 over Tustin Channel built?

It was built in 1995, making it 30 years old in 2025.

What condition is Interstate 5 over Tustin Channel 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 August 2023.

How much traffic does Interstate 5 over Tustin Channel carry?

About 300,000 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Interstate 5 over Tustin Channel?

The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m) and a deck 212 ft wide.

Who owns Interstate 5 over Tustin Channel?

It is owned by the State Highway Agency.