US Bridges

State Route 47 over San Pedro Terminal Isl

Poor

Los Angeles County, California · 07-LA-047-0.86 · Structure no. 53 1471

Built
1963
62 years old
Condition
Poor
inspected October 2023
Type
Suspension
Steel
Length
6,062 ft
3 main spans
Daily traffic
58,000
2020 count
Owner
State
State Highway Agency

About this bridge

State Route 47 over San Pedro Terminal Isl is a steel suspension carrying State Route 47 over San Pedro Terminal Isl in Los Angeles County, California. It was built in 1963, so it is 62 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 58,000 vehicles a day, roughly 11% of them trucks, projected to reach 62,436 by 2043. The structure is 6,062 ft (1,847.8 m) long and 58 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesState Route 47
CrossesSan Pedro Terminal Isl
Location07-LA-047-0.86
RouteState Highway 47
Coordinates33.74945, -118.28123
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.6 US tons
Inventory rating29.7 US tons

Structure

Structure typeSuspension
MaterialSteel
DeckConcrete, cast-in-place
Main spans3 (+20 approach)
Design loadHS 20
Structure length6,062 ft (1,847.8 m)
Longest span1,500 ft (457.2 m)
Deck width58 ft (17.7 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deck52 ft (15.9 m)

Traffic and service

Average daily traffic58,000 (2020)
Projected traffic62,436 by 2043
Trucks11%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$54.9 million (2024 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was State Route 47 over San Pedro Terminal Isl built?

It was built in 1963, making it 62 years old in 2025.

What condition is State Route 47 over San Pedro Terminal Isl in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2023.

How much traffic does State Route 47 over San Pedro Terminal Isl carry?

About 58,000 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is State Route 47 over San Pedro Terminal Isl?

The structure is 6,062 ft (1,847.8 m) long with a longest span of 1,500 ft (457.2 m) and a deck 58 ft wide.

Who owns State Route 47 over San Pedro Terminal Isl?

It is owned by the State Highway Agency.