Old Baker Zachary
Carrying Old Baker Zachary over DRAINAGE BAYOU
0.7 MI. N.W. of LA 19, East Baton Rouge, Louisiana
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
Old Baker Zachary in East Baton Rouge, Louisiana sits above 12% of rated Louisiana bridges on inventory load rating (18 t), while its 1960 build year is earlier than 86% of East Baton Rouge's recorded-year cohort (548 bridges).
Old Baker Zachary in East Baton Rouge, Louisiana is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1960, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 4. The lowest applicable rating sets the federal condition category, so this Poor result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.
NBI record plate
Structure LA:611730375910981
INTERSTATE-ERA · TIMBER · MULTI-SPAN · SUB-LED · ARTERIAL-ADT · LIGHT-LOAD · CAT-POOR
- INTERSTATE-ERA 1950–1979
- TIMBER Wood or timber
- MULTI-SPAN 3 spans
- SUB-LED Substructure-led
- ARTERIAL-ADT Arterial ADT
- LIGHT-LOAD Light load
- CAT-POOR Poor
Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.
Bridge Snapshot: Old Baker Zachary
The Old Baker Zachary bridge in East Baton Rouge, Louisiana carries Old Baker Zachary over DRAINAGE BAYOU. It was built in 1960, making it 66 years old today. The structure is built primarily of wood or timber and spans 3 sections, stretching 17.7 meters (58 feet) end to end. Daily traffic averages 1,727 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 7/9, superstructure at 5/9, substructure at 4/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed.
How Old Baker Zachary compares
Age against the county: built in 1960, earlier than 471 of East Baton Rouge's 548 bridges with a recorded construction year (86%), against a county median build year of 1974. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across Louisiana bridges with a recorded inventory load rating (12,682 of 12,698 rated).
Old Baker Zachary vs every rated Louisiana bridge
Inventory load rating (metric tons), FHWA NBI, this state
18 Top 88% higher than 12% of 12,682 bridges
rated Louisiana bridges, bucketed by value
Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source FHWA National Bridge Inventory · August 2026
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.
East Baton Rouge inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 548 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.
Structural Details
- Year Built
- 1960
- Material
- Wood or Timber
- Number of Spans
- 3
- Structure Length
- 17.7 m (58 ft)
- Deck Width
- 7.6 m (25 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 1,727 vehicles/day
- Structure Number
- 611730375910981
Condition Analysis
- • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
- • At 5/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
- • At 4/9, the substructure (piers and abutments) is in poor shape, with advanced wear on file for this vintage.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
Old Baker Zachary 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 Old Baker Zachary against other structures in East Baton Rouge 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 Old Baker Zachary?
Old Baker Zachary in East Baton Rouge, Louisiana has a deck rating of 7/9, superstructure rating of 5/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.
How often is Old Baker Zachary inspected?
Old Baker Zachary'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 1,727 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. Old Baker Zachary 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 Old Baker Zachary?
Old Baker Zachary has an NBI inventory load rating of 18.1 metric tons.
Who is responsible for maintaining Old Baker Zachary?
Old Baker Zachary is owned and maintained by County Highway Agency.
How old is Old Baker Zachary and does age affect safety?
Old Baker Zachary was built in 1960, making it 66 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.
Share this inspection record
Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.
Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.