US0090-B
US0090-B in 1.4 MI W Of La 428, Orleans County, Louisiana received a condition grade of B (67/100). Built in 1985, the bridge carries 154K vehicles daily on US0090-B over Mississippi River. 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
US0090-B is a 41-year-old bridge located 1.4 MI W Of La 428 in Orleans County, Louisiana. The bridge carries US0090-B over Mississippi River with 6 traffic lanes, handling approximately 154K vehicles per day. Built in 1985, the structure spans 920.2 meters.
The bridge received a Condition Grade of B (67/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 4/9 (poor), and substructure 7/9 (good). 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
US0090-B has a Condition Score of 67/100 (Grade B). Its deck is rated 7/9, superstructure 4/9, and substructure 7/9 on the NBI scale. The bridge is classified as structurally deficient.
US0090-B was built in 1985, making it 41 years old. The average bridge age in the United States is 48 years.
US0090-B carries approximately 154K vehicles per day (average daily traffic). The bridge has 6 traffic lanes. It is 920.2 meters long and located on US0090-B in 1.4 MI W Of La 428, Orleans County, Louisiana.
Yes, US0090-B 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.
US0090-B is located 1.4 MI W Of La 428 in Orleans County, Louisiana. The bridge carries US0090-B over Mississippi River. Its coordinates are 29.938919, -90.052300. It is maintained by State Highway Agency.
US0090-B carries US0090-B over Mississippi River. The bridge is 920.2 meters long and was built in 1985.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.