STELLING ROAD
STELLING ROAD in 04-Scl-280-9.94-Cpo, Santa Clara County, California received a condition grade of B (72/100). Built in 1965, the bridge carries 139K vehicles daily on STELLING ROAD over Interstate 280.
STELLING ROAD carries a B on the BridgeSafety Condition Score with 72/100. 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 1965 and is now 61 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. STELLING ROAD carries an average daily traffic count of 138,500 vehicles, with 2 lane(s) crossing Interstate 280. 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
STELLING ROAD is a 61-year-old bridge located 04-Scl-280-9.94-Cpo in Santa Clara County, California. The bridge carries STELLING ROAD over Interstate 280 with 2 traffic lanes, handling approximately 139K vehicles per day. Built in 1965, the structure spans 70.7 meters.
The bridge received a Condition Grade of B (72/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 7/9 (good), and substructure 7/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
STELLING ROAD has a Condition Score of 72/100 (Grade B). Its deck is rated 7/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.
STELLING ROAD was built in 1965, making it 61 years old. The average bridge age in the United States is 48 years.
STELLING ROAD carries approximately 139K vehicles per day (average daily traffic). The bridge has 2 traffic lanes. It is 70.7 meters long and located on STELLING ROAD in 04-Scl-280-9.94-Cpo, Santa Clara County, California.
No, STELLING ROAD is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
STELLING ROAD is located 04-Scl-280-9.94-Cpo in Santa Clara County, California. The bridge carries STELLING ROAD over Interstate 280. Its coordinates are 37.334006, -122.041386. It is maintained by State Highway Agency.
STELLING ROAD carries STELLING ROAD over Interstate 280. The bridge is 70.7 meters long and was built in 1965.
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.