US Bridges

Interstate 5 over Frazier Mt Pk RD

Good

Los Angeles County, California · 07-LA-005-R88.56 · Structure no. 53 1776R

Built
1966
59 years old
Condition
Good
inspected July 2023
Type
Tee Beam
Concrete Continuous
Length
99 ft
3 main spans
Daily traffic
37,708
2018 count
Owner
State
State Highway Agency

About this bridge

Interstate 5 over Frazier Mt Pk RD is a concrete continuous tee beam carrying Interstate 5 over Frazier Mt Pk RD in Los Angeles County, California. It was built in 1966, so it is 59 years old, older 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 37,708 vehicles a day, roughly 25% of them trucks, projected to reach 79,650 by 2041. The structure is 99 ft (30.2 m) long and 68 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesInterstate 5
CrossesFrazier Mt Pk RD
Location07-LA-005-R88.56
RouteInterstate 5
Coordinates34.8173, -118.88196
Functional classRural Principal Arterial - Interstate

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.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.3 US tons
Inventory rating32.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length99 ft (30.2 m)
Longest span43 ft (13.1 m)
Deck width68 ft (20.7 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,708 (2018)
Projected traffic79,650 by 2041
Trucks25%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Interstate 5 over Frazier Mt Pk RD built?

It was built in 1966, making it 59 years old in 2025.

What condition is Interstate 5 over Frazier Mt Pk RD 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 July 2023.

How much traffic does Interstate 5 over Frazier Mt Pk RD carry?

About 37,708 vehicles per day (2018 count), of which roughly 25% are trucks.

How long is Interstate 5 over Frazier Mt Pk RD?

The structure is 99 ft (30.2 m) long with a longest span of 43 ft (13.1 m) and a deck 68 ft wide.

Who owns Interstate 5 over Frazier Mt Pk RD?

It is owned by the State Highway Agency.