Boyce Tower Rd
Carrying Boyce Tower Rd over CONWAY BAYOU
0.8 M W of US 61, Ascension, Louisiana
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: Boyce Tower Rd
The Boyce Tower Rd bridge in Ascension, Louisiana carries Boyce Tower Rd over CONWAY BAYOU. It was built in 1965, making it 61 years old today. It was last reconstructed in 2012, extending its service life. The structure is built primarily of wood or timber and spans 9 sections, stretching 27.4 meters (90 feet) end to end. Daily traffic averages 5 vehicles, placing it in the lower-traffic tier of Louisiana bridges. It is owned and maintained by Other State Agencies.
The latest FHWA inspection records show a deck rating of 7/9, superstructure at 5/9, substructure at 3/9. 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. Its NBI inventory load rating is 18.1 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How Boyce Tower Rd 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 How the historical reference is calculated.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
- 1965
- Last Reconstructed
- 2012
- Material
- Wood or Timber
- Number of Spans
- 9
- Structure Length
- 27.4 m (90 ft)
- Deck Width
- 4.6 m (15 ft)
- Owner
- Other State Agencies
- Avg Daily Traffic
- 5 vehicles/day
- Structure Number
- 610300000610342
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
- • The superstructure (beams and supports above the deck) rates fair at 5/9, minor deterioration that routine maintenance should address.
- • The substructure (piers and abutments) is in poor condition (3/9), showing advanced deterioration that may require priority repair.
How to read this record
Boyce Tower Rd 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 Boyce Tower Rd against other structures in Ascension 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 Boyce Tower Rd?
Boyce Tower Rd in Ascension, Louisiana has a deck rating of 7/9, superstructure rating of 5/9, and substructure rating of 3/9 on the FHWA's 0–9 scale.
How often is Boyce Tower Rd inspected?
Boyce Tower Rd'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 5 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. Boyce Tower Rd 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 Boyce Tower Rd?
Boyce Tower Rd has an NBI inventory load rating of 18.1 metric tons.
Who is responsible for maintaining Boyce Tower Rd?
Boyce Tower Rd is owned and maintained by Other State Agencies.
How old is Boyce Tower Rd and does age affect safety?
Boyce Tower Rd was built in 1965, making it 61 years old and last reconstructed in 2012.
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.