US Bridges

Trinidad Lane over Trinidad Island Channel

Good

Orange County, California · 0.2 MI S/O Edinger Ave · Structure no. 55C0260

Built
1974
51 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
195 ft
3 main spans
Daily traffic
3,100
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Trinidad Lane over Trinidad Island Channel is a prestressed concrete continuous stringer/multi-beam or girder carrying Trinidad Lane over Trinidad Island Channel in Orange County, California. It was built in 1974, so it is 51 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 3,100 vehicles a day, roughly 1% of them trucks, projected to reach 3,186 by 2041. The structure is 195 ft (59.4 m) long and 36 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesTrinidad Lane
CrossesTrinidad Island Channel
Location0.2 MI S/O Edinger Ave
RouteCity Street 0
CountyOrange County
StateCalifornia
Coordinates33.72665, -118.06515
Functional classUrban Local

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 inspectionSeptember 2023
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 alignment6: Equal to present minimum criteria
Operating rating110 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length195 ft (59.4 m)
Longest span64 ft (19.5 m)
Deck width36 ft (11 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,100 (2018)
Projected traffic3,186 by 2041
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 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 Trinidad Lane over Trinidad Island Channel built?

It was built in 1974, making it 51 years old in 2025.

What condition is Trinidad Lane over Trinidad Island 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 September 2023.

How much traffic does Trinidad Lane over Trinidad Island Channel carry?

About 3,100 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Trinidad Lane over Trinidad Island Channel?

The structure is 195 ft (59.4 m) long with a longest span of 64 ft (19.5 m) and a deck 36 ft wide.

Who owns Trinidad Lane over Trinidad Island Channel?

It is owned by the City or Municipal Highway Agency.