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.
US0090-B carries a B on the BridgeSafety Condition Score with 67/100. 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 1985, making it 41 years old — past the early-life period but still well within typical service life. Routine inspections and modest repair work are normal for bridges in this age band. US0090-B carries an average daily traffic count of 154,311 vehicles, with 6 lane(s) crossing Mississippi River. 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
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.
Source: FHWA National Bridge Inventory, 2026.