US Bridges

Fremont Ave over UPRR

Poor

Los Angeles County, California · 50FT S/O Mission RD · Structure no. 53C1674

Built
1979
46 years old
Condition
Poor
inspected July 2023
Type
Slab
Prestressed Concrete
Length
53 ft
1 main span
Daily traffic
51,262
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Fremont Ave over UPRR is a prestressed concrete slab carrying Fremont Ave over UPRR in Los Angeles County, California. It was built in 1979, so it is 46 years old, younger 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 51,262 vehicles a day, roughly 3% of them trucks, projected to reach 64,138 by 2041. The structure is 53 ft (16.2 m) long and 84 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesFremont Ave
CrossesUPRR
Location50FT S/O Mission RD
RouteCity Street 0L495
CountyLos Angeles County
StateCalifornia
Coordinates34.07905, -118.15178
Functional classUrban Other Principal Arterial

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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110 US tons
Inventory rating70 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length53 ft (16.2 m)
Longest span48 ft (14.6 m)
Deck width84 ft (25.6 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic51,262 (2017)
Projected traffic64,138 by 2041
Trucks3%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$696,000 (2017 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Fremont Ave over UPRR built?

It was built in 1979, making it 46 years old in 2025.

What condition is Fremont Ave over UPRR 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 July 2023.

How much traffic does Fremont Ave over UPRR carry?

About 51,262 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is Fremont Ave over UPRR?

The structure is 53 ft (16.2 m) long with a longest span of 48 ft (14.6 m) and a deck 84 ft wide.

Who owns Fremont Ave over UPRR?

It is owned by the City or Municipal Highway Agency.