I-77
I-77 in 0.9 MI S Of Nc State LN, York County, South Carolina received a condition grade of B (69/100). Built in 1973, the bridge carries 131K vehicles daily on I-77 over S-46-1441.
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
I-77 is a 53-year-old bridge located 0.9 MI S Of Nc State LN in York County, South Carolina. The bridge carries I-77 over S-46-1441 with 9 traffic lanes, handling approximately 131K vehicles per day. Built in 1973 and reconstructed in 2000, the structure spans 76.8 meters.
The bridge received a Condition Grade of B (69/100) 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
I-77 has a Condition Score of 69/100 (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.
I-77 was built in 1973 and reconstructed in 2000, making it 53 years old. The average bridge age in the United States is 48 years.
I-77 carries approximately 131K vehicles per day (average daily traffic). The bridge has 9 traffic lanes. It is 76.8 meters long and located on I-77 in 0.9 MI S Of Nc State LN, York County, South Carolina.
No, I-77 is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
I-77 is located 0.9 MI S Of Nc State LN in York County, South Carolina. The bridge carries I-77 over S-46-1441. Its coordinates are 35.091667, -80.933056. It is maintained by State Highway Agency.
I-77 carries I-77 over S-46-1441. The bridge is 76.8 meters long and was built in 1973, with reconstruction in 2000.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.