FHWA NBI 2024 Inspection record Public-domain dataset

W. St. Mary Blvd.

Carrying W. St. Mary Blvd. over COULEE

0.40 MI W of US 167, Lafayette, Louisiana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
21 t Inventory load rating

Bridge Snapshot: W. St. Mary Blvd.

The W. St. Mary Blvd. bridge in Lafayette, Louisiana carries W. St. Mary Blvd. over COULEE. It was built in 1968, making it 58 years old today. The structure is built primarily of concrete and spans 1 section, stretching 7.9 meters (26 feet) end to end. Daily traffic averages 2,400 vehicles, placing it in the moderately-trafficked tier of Louisiana bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show culvert at 7/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 21.1 metric tons.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How W. St. Mary Blvd. compares

▼ 11.2
Load rating vs Louisiana average (32.3 t)
Bottom 20%
Lower load rating than 80% of Louisiana bridges
323
Bridges in Lafayette · 25 in Poor condition
W. St. Mary Blvd. 21.1 t
Louisiana average 32.3 t

Live comparison across Louisiana.

Historical Sufficiency Rating

PlainBridge-computed
81.4 / 100 - historical 80–100 band
Structural adequacy /55
42.6
Serviceability /30
27.0
Essentiality /15
14.7
Special reductions
−3.0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Culvert
7/9
Good (7–9)
Inventory Load Rating
21.1 t
NBI inventory level (metric tons)
Overall Condition
Good

Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.

Structural Details

Year Built
1968
Material
Concrete
Number of Spans
1
Structure Length
7.9 m (26 ft)
Deck Width
16.9 m (55 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
2,400 vehicles/day
Structure Number
032830131920161

How to read this record

This page shows what the last federal inspection recorded, not whether W. St. Mary Blvd. is safe to cross today. Here is how to use it.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Learn how the 0–9 condition scale and Good/Fair/Poor categories are defined. How condition ratings work
  • Compare W. St. Mary Blvd. against other structures in Lafayette 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 W. St. Mary Blvd.?

W. St. Mary Blvd. in Lafayette, Louisiana on the FHWA's 0–9 scale.

How often is W. St. Mary Blvd. inspected?

W. St. Mary Blvd.'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 2,400 vehicles per day.

What does “structurally deficient” mean in older bridge reports?

FHWA retired that reported status beginning with the 2018 archive. W. St. Mary Blvd. is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for W. St. Mary Blvd.?

W. St. Mary Blvd. has an NBI inventory load rating of 21.1 metric tons.

Who is responsible for maintaining W. St. Mary Blvd.?

W. St. Mary Blvd. is owned and maintained by City/Municipal Highway Agency.

How old is W. St. Mary Blvd. and does age affect safety?

W. St. Mary Blvd. was built in 1968, making it 58 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.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details. Retrieved and formatted by PlainBridges

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.