US 19 / SR. 400
US 19 / SR. 400 in In East Alpharetta, Fulton County, Georgia received a condition grade of F (0/100). Built in 1969, the bridge carries 135K vehicles daily on US 19 / SR. 400 over Big Creek Tributary. 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
US 19 / SR. 400 is a 57-year-old bridge located In East Alpharetta in Fulton County, Georgia. The bridge carries US 19 / SR. 400 over Big Creek Tributary with 9 traffic lanes, handling approximately 135K vehicles per day. Built in 1969, the structure spans 7 meters.
The bridge received a Condition Grade of F (0/100) based on Federal Highway Administration inspection data. Its deck is rated 0/9 (serious), superstructure 0/9 (serious), and substructure 0/9 (serious). 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
US 19 / SR. 400 has a Condition Score of 0/100 (Grade F). Its deck is rated 0/9, superstructure 0/9, and substructure 0/9 on the NBI scale. The bridge is classified as structurally deficient.
US 19 / SR. 400 was built in 1969, making it 57 years old. The average bridge age in the United States is 48 years.
US 19 / SR. 400 carries approximately 135K vehicles per day (average daily traffic). The bridge has 9 traffic lanes. It is 7 meters long and located on US 19 / SR. 400 in In East Alpharetta, Fulton County, Georgia.
Yes, US 19 / SR. 400 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.
US 19 / SR. 400 is located In East Alpharetta in Fulton County, Georgia. The bridge carries US 19 / SR. 400 over Big Creek Tributary. Its coordinates are 34.071411, -84.270408. It is maintained by State Highway Agency.
US 19 / SR. 400 carries US 19 / SR. 400 over Big Creek Tributary. The bridge is 7 meters long and was built in 1969.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.