US Bridges

Interstate 8 EB over Viejas Creek

Good

San Diego County, California · 11-SD-008-R31.78 · Structure no. 57 0019R

Built
1969
56 years old, rebuilt 2002
Condition
Good
inspected January 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
201 ft
3 main spans
Daily traffic
12,750
2014 count
Owner
State
State Highway Agency

About this bridge

Interstate 8 EB over Viejas Creek is a concrete continuous box beam or girders - multiple carrying Interstate 8 EB over Viejas Creek in San Diego County, California. It was built in 1969 and reconstructed in 2002, so it is 56 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 12,750 vehicles a day, roughly 7% of them trucks, projected to reach 22,981 by 2044. The structure is 201 ft (61.3 m) long and 59 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 8 EB
CrossesViejas Creek
Location11-SD-008-R31.78
RouteInterstate 8
Coordinates32.83351, -116.72367
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 inspectionJanuary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.6 US tons
Inventory rating45 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length201 ft (61.3 m)
Longest span80 ft (24.4 m)
Deck width59 ft (17.9 m)
Roadway width55 ft (16.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,750 (2014)
Projected traffic22,981 by 2044
Trucks7%
Lanes on structure3
Traffic directionOne-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 8 EB over Viejas Creek built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 2002.

What condition is Interstate 8 EB over Viejas 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 January 2024.

How much traffic does Interstate 8 EB over Viejas Creek carry?

About 12,750 vehicles per day (2014 count), of which roughly 7% are trucks.

How long is Interstate 8 EB over Viejas Creek?

The structure is 201 ft (61.3 m) long with a longest span of 80 ft (24.4 m) and a deck 59 ft wide.

Who owns Interstate 8 EB over Viejas Creek?

It is owned by the State Highway Agency.