US Bridges

Interstate 8 EB over Carrizo Gorge RD Sdiv RR

Good

San Diego County, California · 11-SD-008-R72.57 · Structure no. 57 0541R

Built
1967
58 years old
Condition
Good
inspected May 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
273 ft
4 main spans
Daily traffic
8,150
2014 count
Owner
State
State Highway Agency

About this bridge

Interstate 8 EB over Carrizo Gorge RD Sdiv RR is a concrete continuous box beam or girders - multiple carrying Interstate 8 EB over Carrizo Gorge RD Sdiv RR in San Diego 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 8,150 vehicles a day, roughly 20% of them trucks, projected to reach 11,524 by 2040. The structure is 273 ft (83.2 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 8 EB
CrossesCarrizo Gorge RD Sdiv RR
Location11-SD-008-R72.57
RouteInterstate 8
Coordinates32.64609, -116.18591
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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.7 US tons
Inventory rating43.2 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length273 ft (83.2 m)
Longest span84 ft (25.6 m)
Deck width41 ft (12.5 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,150 (2014)
Projected traffic11,524 by 2040
Trucks20%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Interstate 8 EB over Carrizo Gorge RD Sdiv RR built?

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

What condition is Interstate 8 EB over Carrizo Gorge RD Sdiv RR 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 May 2023.

How much traffic does Interstate 8 EB over Carrizo Gorge RD Sdiv RR carry?

About 8,150 vehicles per day (2014 count), of which roughly 20% are trucks.

How long is Interstate 8 EB over Carrizo Gorge RD Sdiv RR?

The structure is 273 ft (83.2 m) long with a longest span of 84 ft (25.6 m) and a deck 41 ft wide.

Who owns Interstate 8 EB over Carrizo Gorge RD Sdiv RR?

It is owned by the State Highway Agency.