US Bridges

Alpine Boulevard over Alpine Creek

Good

San Diego County, California · 0.86 MI E/O Tavern RD · Structure no. 57C0740

Built
1982
43 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
13,800
2016 count
Owner
County
County Highway Agency

About this bridge

Alpine Boulevard over Alpine Creek is a concrete culvert carrying Alpine Boulevard over Alpine Creek in San Diego County, California. It was built in 1982, so it is 43 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 13,800 vehicles a day, roughly 2% of them trucks, projected to reach 14,582 by 2040. The structure is 22 ft (6.6 m) long and 47 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesAlpine Boulevard
CrossesAlpine Creek
Location0.86 MI E/O Tavern RD
RouteCity Street 0
Coordinates32.83543, -116.76385
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length22 ft (6.6 m)
Longest span11 ft (3.3 m)
Deck width47 ft (14.4 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,800 (2016)
Projected traffic14,582 by 2040
Trucks2%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Alpine Boulevard over Alpine Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is Alpine Boulevard over Alpine 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 May 2023.

How much traffic does Alpine Boulevard over Alpine Creek carry?

About 13,800 vehicles per day (2016 count), of which roughly 2% are trucks.

How long is Alpine Boulevard over Alpine Creek?

The structure is 22 ft (6.6 m) long with a longest span of 11 ft (3.3 m) and a deck 47 ft wide.

Who owns Alpine Boulevard over Alpine Creek?

It is owned by the County Highway Agency.