US Bridges

S14 TRK-S5 Trk Con over Route 5 Trk Sierra HWY

Good

Los Angeles County, California · 07-LA-014-R24.81-LA · Structure no. 53 1962F

Built
1971
54 years old
Condition
Good
inspected December 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
1,532 ft
13 main spans
Daily traffic
18,230
2021 count
Owner
State
State Highway Agency

About this bridge

S14 TRK-S5 Trk Con over Route 5 Trk Sierra HWY is a concrete continuous box beam or girders - multiple carrying S14 TRK-S5 Trk Con over Route 5 Trk Sierra HWY in Los Angeles County, California. It was built in 1971, so it is 54 years old, younger 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 18,230 vehicles a day, roughly 40% of them trucks, projected to reach 24,771 by 2041. The structure is 1,532 ft (467 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS14 TRK-S5 Trk Con
CrossesRoute 5 Trk Sierra HWY
Location07-LA-014-R24.81-LA
RouteState Highway 14
Coordinates34.33313, -118.50534
Functional classRural Principal Arterial - Other

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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.1 US tons
Inventory rating45.3 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans13
Design loadHS 20
Structure length1,532 ft (467 m)
Longest span136 ft (41.5 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deck25 ft (7.6 m)

Traffic and service

Average daily traffic18,230 (2021)
Projected traffic24,771 by 2041
Trucks40%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate 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 S14 TRK-S5 Trk Con over Route 5 Trk Sierra HWY built?

It was built in 1971, making it 54 years old in 2025.

What condition is S14 TRK-S5 Trk Con over Route 5 Trk Sierra HWY 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 December 2024.

How much traffic does S14 TRK-S5 Trk Con over Route 5 Trk Sierra HWY carry?

About 18,230 vehicles per day (2021 count), of which roughly 40% are trucks.

How long is S14 TRK-S5 Trk Con over Route 5 Trk Sierra HWY?

The structure is 1,532 ft (467 m) long with a longest span of 136 ft (41.5 m) and a deck 34 ft wide.

Who owns S14 TRK-S5 Trk Con over Route 5 Trk Sierra HWY?

It is owned by the State Highway Agency.