US Bridges

Main Street E/B over San Diego Creek Channel

Good

Orange County, California · 0.3 MI E Jamboree RD · Structure no. 55C0339R

Built
1988
37 years old
Condition
Good
inspected August 2022
Type
Tee Beam
Concrete Continuous
Length
264 ft
5 main spans
Daily traffic
12,900
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Main Street E/B over San Diego Creek Channel is a concrete continuous tee beam carrying Main Street E/B over San Diego Creek Channel in Orange County, California. It was built in 1988, so it is 37 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 12,900 vehicles a day, roughly 7% of them trucks, projected to reach 14,500 by 2040. The structure is 264 ft (80.6 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMain Street E/B
CrossesSan Diego Creek Channel
Location0.3 MI E Jamboree RD
RouteCity Street 0
Coordinates33.67901, -117.83568
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
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 typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length264 ft (80.6 m)
Longest span58 ft (17.7 m)
Deck width47 ft (14.3 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,900 (2018)
Projected traffic14,500 by 2040
Trucks7%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 Main Street E/B over San Diego Creek Channel built?

It was built in 1988, making it 37 years old in 2025.

What condition is Main Street E/B over San Diego Creek Channel 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 2022.

How much traffic does Main Street E/B over San Diego Creek Channel carry?

About 12,900 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is Main Street E/B over San Diego Creek Channel?

The structure is 264 ft (80.6 m) long with a longest span of 58 ft (17.7 m) and a deck 47 ft wide.

Who owns Main Street E/B over San Diego Creek Channel?

It is owned by the City or Municipal Highway Agency.