US Bridges

Collier Way over Harbison Canyon Creek

Fair

San Diego County, California · 25 Ft S/O Harbison Cyn RD · Structure no. 57C0714

Built
2007
18 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete
Length
45 ft
1 main span
Daily traffic
117
2016 count
Owner
County
County Highway Agency

About this bridge

Collier Way over Harbison Canyon Creek is a concrete slab carrying Collier Way over Harbison Canyon Creek in San Diego County, California. It was built in 2007, so it is 18 years old, younger 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 5 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 117 vehicles a day, roughly 2% of them trucks, projected to reach 125 by 2040. The structure is 45 ft (13.7 m) long and 35 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesCollier Way
CrossesHarbison Canyon Creek
Location25 Ft S/O Harbison Cyn RD
RouteCounty Highway 0
CountySan Diego County
StateCalifornia
Coordinates32.81503, -116.83619
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior 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
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length45 ft (13.7 m)
Longest span40 ft (12.2 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic117 (2016)
Projected traffic125 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Collier Way over Harbison Canyon Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is Collier Way over Harbison Canyon Creek 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 May 2023.

How much traffic does Collier Way over Harbison Canyon Creek carry?

About 117 vehicles per day (2016 count), of which roughly 2% are trucks.

How long is Collier Way over Harbison Canyon Creek?

The structure is 45 ft (13.7 m) long with a longest span of 40 ft (12.2 m) and a deck 35 ft wide.

Who owns Collier Way over Harbison Canyon Creek?

It is owned by the County Highway Agency.