I277
I277 in 0.15 MI. N. JCT. Nc49, Mecklenburg County, North Carolina received a condition grade of B (61/100). Built in 1971, the bridge carries 127K vehicles daily on I277 over Sclrr & Johnson Street.
I277 carries a B on the BridgeSafety Condition Score with 61/100. 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. I277 carries an average daily traffic count of 127,000 vehicles, with 9 lane(s) crossing Sclrr & Johnson Street. 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
I277 is a 55-year-old bridge located 0.15 MI. N. JCT. Nc49 in Mecklenburg County, North Carolina. The bridge carries I277 over Sclrr & Johnson Street with 9 traffic lanes, handling approximately 127K vehicles per day. Built in 1971, the structure spans 362.4 meters.
The bridge received a Condition Grade of B (61/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 5/9 (fair), and substructure 6/9 (fair).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
I277 has a Condition Score of 61/100 (Grade B). Its deck is rated 6/9, superstructure 5/9, and substructure 6/9 on the NBI scale. The bridge is not classified as structurally deficient.
I277 was built in 1971, making it 55 years old. The average bridge age in the United States is 48 years.
I277 carries approximately 127K vehicles per day (average daily traffic). The bridge has 9 traffic lanes. It is 362.4 meters long and located on I277 in 0.15 MI. N. JCT. Nc49, Mecklenburg County, North Carolina.
No, I277 is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
I277 is located 0.15 MI. N. JCT. Nc49 in Mecklenburg County, North Carolina. The bridge carries I277 over Sclrr & Johnson Street. Its coordinates are 35.237664, -80.840628. It is maintained by State Highway Agency.
I277 carries I277 over Sclrr & Johnson Street. The bridge is 362.4 meters long and was built in 1971.
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.