US Bridges

N125-E&W52 Connctr over Prospect Avenue

Good

San Diego County, California · 11-SD-125-21.92-SNT · Structure no. 57 1117G

Built
1998
27 years old
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
162 ft
1 main span
Daily traffic
1,000
2020 count
Owner
State
State Highway Agency

About this bridge

N125-E&W52 Connctr over Prospect Avenue is a prestressed concrete box beam or girders - multiple carrying N125-E&W52 Connctr over Prospect Avenue in San Diego County, California. It was built in 1998, so it is 27 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 1,000 vehicles a day, roughly 3% of them trucks, projected to reach 3,765 by 2042. The structure is 162 ft (49.3 m) long and 58 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesN125-E&W52 Connctr
CrossesProspect Avenue
Location11-SD-125-21.92-SNT
RouteState Highway 125
Coordinates32.83318, -117.00277
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length162 ft (49.3 m)
Longest span162 ft (49.3 m)
Deck width58 ft (17.7 m)
Roadway width54 ft (16.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2020)
Projected traffic3,765 by 2042
Trucks3%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 N125-E&W52 Connctr over Prospect Avenue built?

It was built in 1998, making it 27 years old in 2025.

What condition is N125-E&W52 Connctr over Prospect Avenue 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 August 2024.

How much traffic does N125-E&W52 Connctr over Prospect Avenue carry?

About 1,000 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is N125-E&W52 Connctr over Prospect Avenue?

The structure is 162 ft (49.3 m) long with a longest span of 162 ft (49.3 m) and a deck 58 ft wide.

Who owns N125-E&W52 Connctr over Prospect Avenue?

It is owned by the State Highway Agency.