US Bridges

State Route 126 over The Old Road

Good

Los Angeles County, California · 07-LA-126-R5.66 · Structure no. 53 1639

Built
1964
61 years old, rebuilt 2005
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
159 ft
3 main spans
Daily traffic
51,000
2018 count
Owner
State
State Highway Agency

About this bridge

State Route 126 over The Old Road is a prestressed concrete continuous stringer/multi-beam or girder carrying State Route 126 over The Old Road in Los Angeles County, California. It was built in 1964 and reconstructed in 2005, so it is 61 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 51,000 vehicles a day, roughly 17% of them trucks, projected to reach 89,728 by 2042. The structure is 159 ft (48.6 m) long and 172 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesState Route 126
CrossesThe Old Road
Location07-LA-126-R5.66
RouteState Highway 126
Coordinates34.44157, -118.60779
Functional classUrban Other Principal Arterial

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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating39.2 US tons
Inventory rating27.4 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length159 ft (48.6 m)
Longest span84 ft (25.5 m)
Deck width172 ft (52.5 m)
Roadway width167 ft (51 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic51,000 (2018)
Projected traffic89,728 by 2042
Trucks17%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 State Route 126 over The Old Road built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2005.

What condition is State Route 126 over The Old Road 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 October 2024.

How much traffic does State Route 126 over The Old Road carry?

About 51,000 vehicles per day (2018 count), of which roughly 17% are trucks.

How long is State Route 126 over The Old Road?

The structure is 159 ft (48.6 m) long with a longest span of 84 ft (25.5 m) and a deck 172 ft wide.

Who owns State Route 126 over The Old Road?

It is owned by the State Highway Agency.