US Bridges

Bent Avenue over San Marcos Creek

Good

San Diego County, California · 0.20 MI S/O San Marcos Bl · Structure no. 57C0868

Built
2023
2 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
509 ft
3 main spans
Daily traffic
7,500
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Bent Avenue over San Marcos Creek is a prestressed concrete continuous box beam or girders - multiple carrying Bent Avenue over San Marcos Creek in San Diego County, California. It was built in 2023, so it is 2 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 7,500 vehicles a day, roughly 2% of them trucks, projected to reach 10,000 by 2045. The structure is 509 ft (155.1 m) long and 54 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesBent Avenue
CrossesSan Marcos Creek
Location0.20 MI S/O San Marcos Bl
RouteCity Street 0
Coordinates33.13231, -117.18053
Functional classUrban Collector

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 protection9 ExcellentNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadGreater than HL 93
Structure length509 ft (155.1 m)
Longest span202 ft (61.6 m)
Deck width54 ft (16.6 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,500 (2023)
Projected traffic10,000 by 2045
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Bent Avenue over San Marcos Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is Bent Avenue over San Marcos 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 June 2023.

How much traffic does Bent Avenue over San Marcos Creek carry?

About 7,500 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Bent Avenue over San Marcos Creek?

The structure is 509 ft (155.1 m) long with a longest span of 202 ft (61.6 m) and a deck 54 ft wide.

Who owns Bent Avenue over San Marcos Creek?

It is owned by the City or Municipal Highway Agency.