INTERSTATE 95
INTERSTATE 95 in Tinicum 44d01, Delaware County, Pennsylvania received a condition grade of B (74/100). Built in 1975, the bridge carries 162K vehicles daily on INTERSTATE 95 over Darby Creek.
INTERSTATE 95 carries a B on the BridgeSafety Condition Score with 74/100. 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 1975 and is now 51 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. INTERSTATE 95 carries an average daily traffic count of 161,622 vehicles, with 8 lane(s) crossing Darby Creek. 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
INTERSTATE 95 is a 51-year-old bridge located Tinicum 44d01 in Delaware County, Pennsylvania. The bridge carries INTERSTATE 95 over Darby Creek with 8 traffic lanes, handling approximately 162K vehicles per day. Built in 1975 and reconstructed in 2006, the structure spans 103.6 meters.
The bridge received a Condition Grade of B (74/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 7/9 (good), and substructure 6/9 (fair).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
INTERSTATE 95 has a Condition Score of 74/100 (Grade B). Its deck is rated 7/9, superstructure 7/9, and substructure 6/9 on the NBI scale. The bridge is not classified as structurally deficient.
INTERSTATE 95 was built in 1975 and reconstructed in 2006, making it 51 years old. The average bridge age in the United States is 48 years.
INTERSTATE 95 carries approximately 162K vehicles per day (average daily traffic). The bridge has 8 traffic lanes. It is 103.6 meters long and located on INTERSTATE 95 in Tinicum 44d01, Delaware County, Pennsylvania.
No, INTERSTATE 95 is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
INTERSTATE 95 is located Tinicum 44d01 in Delaware County, Pennsylvania. The bridge carries INTERSTATE 95 over Darby Creek. Its coordinates are 39.868978, -75.314642. It is maintained by State Highway Agency.
INTERSTATE 95 carries INTERSTATE 95 over Darby Creek. The bridge is 103.6 meters long and was built in 1975, with reconstruction in 2006.
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.