STATE ROUTE 14
STATE ROUTE 14 in 07-La-014-R25.13, Los Angeles County, California received a condition grade of B (68/100). Built in 1971, the bridge carries 159K vehicles daily on STATE ROUTE 14 over Sierra HWY.
STATE ROUTE 14 carries a B on the BridgeSafety Condition Score with 68/100. Most component ratings are solid; one or two may show wear consistent with the structure’s age, but the bridge is not flagged as structurally deficient.
The bridge was built in 1971 and is now 55 years old, at or past the typical 50-year design life for bridges of its vintage. Maintenance and inspection cycles are correspondingly more involved than for newer structures. STATE ROUTE 14 carries an average daily traffic count of 159,000 vehicles, with 11 lane(s) crossing Sierra HWY. The owning agency is State Highway Agency; bridge inspection records flow into the federal NBI database annually.
Component Ratings
The riding surface, evaluated for cracking, spalling, and wear
Beams, girders, and trusses that support the deck
Piers, abutments, and foundations below the deck
Bridge Details
About This Bridge
STATE ROUTE 14 is a 55-year-old bridge located 07-La-014-R25.13 in Los Angeles County, California. The bridge carries STATE ROUTE 14 over Sierra HWY with 11 traffic lanes, handling approximately 159K vehicles per day. Built in 1971 and reconstructed in 2014, the structure spans 69.5 meters.
The bridge received a Condition Grade of B (68/100) based on Federal Highway Administration inspection data. Its deck is rated 5/9 (fair), superstructure 7/9 (good), and substructure 7/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
STATE ROUTE 14 has a Condition Score of 68/100 (Grade B). Its deck is rated 5/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.
STATE ROUTE 14 was built in 1971 and reconstructed in 2014, making it 55 years old. The average bridge age in the United States is 48 years.
STATE ROUTE 14 carries approximately 159K vehicles per day (average daily traffic). The bridge has 11 traffic lanes. It is 69.5 meters long and located on STATE ROUTE 14 in 07-La-014-R25.13, Los Angeles County, California.
No, STATE ROUTE 14 is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
STATE ROUTE 14 is located 07-La-014-R25.13 in Los Angeles County, California. The bridge carries STATE ROUTE 14 over Sierra HWY. Its coordinates are 34.338378, -118.506842. It is maintained by State Highway Agency.
STATE ROUTE 14 carries STATE ROUTE 14 over Sierra HWY. The bridge is 69.5 meters long and was built in 1971, with reconstruction in 2014.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.
Source: FHWA National Bridge Inventory, 2026.