US Bridges

Metro Parking Lot over Thompson Crk

Fair

Los Angeles County, California · 0.2 N/O Arrow HWY · Structure no. 53C2278

Built
1993
32 years old
Condition
Fair
inspected November 2021
Type
Culvert
Concrete
Length
25 ft
1 main span
Daily traffic
14,393
2012 count
Owner
City
City or Municipal Highway Agency

About this bridge

Metro Parking Lot over Thompson Crk is a concrete culvert carrying Metro Parking Lot over Thompson Crk in Los Angeles County, California. It was built in 1993, so it is 32 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 14,393 vehicles a day, roughly 2% of them trucks, projected to reach 16,552 by 2041. The structure is 25 ft (7.5 m) long and 44 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesMetro Parking Lot
CrossesThompson Crk
Location0.2 N/O Arrow HWY
RouteCity Street 0
CountyLos Angeles County
StateCalifornia
Coordinates34.09398, -117.75604
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection9 ExcellentNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89 US tons
Inventory rating53.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length25 ft (7.5 m)
Longest span20 ft (6.1 m)
Deck width44 ft (13.3 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,393 (2012)
Projected traffic16,552 by 2041
Trucks2%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Metro Parking Lot over Thompson Crk built?

It was built in 1993, making it 32 years old in 2025.

What condition is Metro Parking Lot over Thompson Crk in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2021.

How much traffic does Metro Parking Lot over Thompson Crk carry?

About 14,393 vehicles per day (2012 count), of which roughly 2% are trucks.

How long is Metro Parking Lot over Thompson Crk?

The structure is 25 ft (7.5 m) long with a longest span of 20 ft (6.1 m) and a deck 44 ft wide.

Who owns Metro Parking Lot over Thompson Crk?

It is owned by the City or Municipal Highway Agency.