FHWA NBI 2024 Inspection record Public-domain dataset

I0049

Carrying I0049 over BAYOU LACARP

2.68 MI NORTH OF LA 119, Natchitoches, Louisiana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
75 t Inventory load rating

Bridge Snapshot: I0049

The I0049 bridge in Natchitoches, Louisiana carries I0049 over BAYOU LACARP. It was built in 1986, making it 40 years old today. The structure is built primarily of steel and spans 3 sections, stretching 12.8 meters (42 feet) end to end. Daily traffic averages 18,305 vehicles, placing it in the heavily-trafficked tier of Louisiana bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show culvert at 3/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order. Its NBI inventory load rating is 74.5 metric tons.

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

How I0049 compares

▲ 42.2
Load rating vs Louisiana average (32.3 t)
Top 3%
Higher load rating than 97% of Louisiana bridges
313
Bridges in Natchitoches · 48 in Poor condition
I0049 74.5 t
Louisiana average 32.3 t

Live comparison across Louisiana.

Historical Sufficiency Rating

PlainBridge-computed
33.4 / 100 - historical 20–49.9 band
Structural adequacy /55
15.0
Serviceability /30
11.0
Essentiality /15
7.4
Special reductions
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 How the historical reference is calculated.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
3/9
Poor (1–4)
Inventory Load Rating
74.5 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1986
Material
Steel
Number of Spans
3
Structure Length
12.8 m (42 ft)
Deck Width
103.6 m (340 ft)
Owner
State Highway Agency
Avg Daily Traffic
18,305 vehicles/day
Structure Number
083504550613051

How to read this record

I0049 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 I0049 against other structures in Natchitoches 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 I0049?

I0049 in Natchitoches, Louisiana on the FHWA's 0–9 scale.

How often is I0049 inspected?

I0049'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 18,305 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. I0049 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 I0049?

I0049 has an NBI inventory load rating of 74.5 metric tons.

Who is responsible for maintaining I0049?

I0049 is owned and maintained by State Highway Agency.

How old is I0049 and does age affect safety?

I0049 was built in 1986, making it 40 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.