US Bridges

S805-TELEGRAPH Cyn over Telegraph Canyon Road

Good

San Diego County, California · 11-SD-805-6.06-CHV · Structure no. 57 0635K

Built
1971
54 years old
Condition
Good
inspected May 2022
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
162 ft
2 main spans
Daily traffic
19,100
2020 count
Owner
State
State Highway Agency

About this bridge

S805-TELEGRAPH Cyn over Telegraph Canyon Road is a concrete continuous box beam or girders - multiple carrying S805-TELEGRAPH Cyn over Telegraph Canyon Road in San Diego County, California. It was built in 1971, so it is 54 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 19,100 vehicles a day, roughly 4% of them trucks, projected to reach 26,487 by 2042. The structure is 162 ft (49.4 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS805-TELEGRAPH Cyn
CrossesTelegraph Canyon Road
Location11-SD-805-6.06-CHV
RouteInterstate 805
Coordinates32.62882, -117.04426
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.
Last inspectionMay 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating39.7 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length162 ft (49.4 m)
Longest span84 ft (25.6 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,100 (2020)
Projected traffic26,487 by 2042
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 S805-TELEGRAPH Cyn over Telegraph Canyon Road built?

It was built in 1971, making it 54 years old in 2025.

What condition is S805-TELEGRAPH Cyn over Telegraph Canyon 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 May 2022.

How much traffic does S805-TELEGRAPH Cyn over Telegraph Canyon Road carry?

About 19,100 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is S805-TELEGRAPH Cyn over Telegraph Canyon Road?

The structure is 162 ft (49.4 m) long with a longest span of 84 ft (25.6 m) and a deck 26 ft wide.

Who owns S805-TELEGRAPH Cyn over Telegraph Canyon Road?

It is owned by the State Highway Agency.