I277 & NC16
I277 & NC16 in 1.22 MI.N.JCT.Us74 Wbl, Mecklenburg County, North Carolina received a condition grade of B (60/100). Built in 1971, the bridge carries 127K vehicles daily on I277 & NC16 over Us29/Nc49 (Graham ST.). It is classified as structurally deficient.
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 & NC16 is a 55-year-old bridge located 1.22 MI.N.JCT.Us74 Wbl in Mecklenburg County, North Carolina. The bridge carries I277 & NC16 over Us29/Nc49 (Graham ST.) with 9 traffic lanes, handling approximately 127K vehicles per day. Built in 1971, the structure spans 57.9 meters.
The bridge received a Condition Grade of B (60/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 6/9 (fair), and substructure 4/9 (poor). The bridge is classified as structurally deficient, meaning at least one major component is rated 4 or below — this signals a need for repair or replacement but does not necessarily indicate an immediate safety hazard.
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
I277 & NC16 has a Condition Score of 60/100 (Grade B). Its deck is rated 7/9, superstructure 6/9, and substructure 4/9 on the NBI scale. The bridge is classified as structurally deficient.
I277 & NC16 was built in 1971, making it 55 years old. The average bridge age in the United States is 48 years.
I277 & NC16 carries approximately 127K vehicles per day (average daily traffic). The bridge has 9 traffic lanes. It is 57.9 meters long and located on I277 & NC16 in 1.22 MI.N.JCT.Us74 Wbl, Mecklenburg County, North Carolina.
Yes, I277 & NC16 is classified as structurally deficient because at least one of its primary components (deck, superstructure, or substructure) is rated 4 or below on the 0-9 NBI scale. This does not necessarily mean it is unsafe, but it requires significant repair or replacement.
I277 & NC16 is located 1.22 MI.N.JCT.Us74 Wbl in Mecklenburg County, North Carolina. The bridge carries I277 & NC16 over Us29/Nc49 (Graham ST.). Its coordinates are 35.236094, -80.839325. It is maintained by State Highway Agency.
I277 & NC16 carries I277 & NC16 over Us29/Nc49 (Graham ST.). The bridge is 57.9 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.