MANDALAY BRIDGE
Carrying MANDALAY BRIDGE over BLACK BAYOU
0.005 MI N OF LA 182, Terrebonne, Louisiana
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: MANDALAY BRIDGE
The MANDALAY BRIDGE bridge in Terrebonne, Louisiana carries MANDALAY BRIDGE over BLACK BAYOU. It was built in 1969, making it 57 years old today. The structure is built primarily of concrete and spans 4 sections, stretching 23.2 meters (76 feet) end to end. Daily traffic averages 2,388 vehicles, placing it in the moderately-trafficked tier of Louisiana bridges. It is owned and maintained by County Highway Agency.
The latest FHWA inspection records show a deck rating of 0/9, superstructure at 0/9, substructure at 0/9. The weakest component sits in critical condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules. Its NBI inventory load rating is 5.4 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How MANDALAY BRIDGE compares
Live comparison across Louisiana.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1969
- Material
- Concrete
- Number of Spans
- 4
- Structure Length
- 23.2 m (76 ft)
- Deck Width
- 8.3 m (27 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 2,388 vehicles/day
- Structure Number
- 025529340904621
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • At 0/9, the deck (driving surface) is in critical shape, with severe wear requiring urgent action.
- • The superstructure (beams and supports above the deck) rates critical at 0/9, severe deterioration that needs urgent attention.
- • The substructure (piers and abutments) is in critical condition (0/9), with severe deterioration requiring urgent attention.
How to read this record
MANDALAY BRIDGE is in the federal Poor condition category. That is a component-based result, not a closure order.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
- Compare MANDALAY BRIDGE against other structures in Terrebonne and across Louisiana. Louisiana bridges
- Noticed visible damage or a safety concern? Report it to the agency that owns the bridge, or call 911 in an emergency. How to report a bridge
Condition codes come straight from the FHWA National Bridge Inventory and are not a real-time safety judgment. Only the owning agency, a state DOT, county, or other owner, can post, restrict, or close a bridge.
Frequently Asked Questions
What do the condition ratings mean for MANDALAY BRIDGE?
MANDALAY BRIDGE in Terrebonne, Louisiana has a deck rating of 0/9, superstructure rating of 0/9, and substructure rating of 0/9 on the FHWA's 0–9 scale.
How often is MANDALAY BRIDGE inspected?
MANDALAY BRIDGE's responsible agency sets its routine interval under FHWA's risk-based inspection rules; this page does not expose the scheduled interval. It carries about 2,388 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. MANDALAY BRIDGE is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for MANDALAY BRIDGE?
MANDALAY BRIDGE has an NBI inventory load rating of 5.4 metric tons.
Who is responsible for maintaining MANDALAY BRIDGE?
MANDALAY BRIDGE is owned and maintained by County Highway Agency.
How old is MANDALAY BRIDGE and does age affect safety?
MANDALAY BRIDGE was built in 1969, making it 57 years old.
Disclaimer: Bridge condition data is from the FHWA NBI and reflects the last reported inspection. A Poor condition rating is not a live declaration that a bridge is closed or unsafe for travel. For current closure, posting, or safety information, contact the responsible transportation agency.
Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.