FHWA NBI 2024 Inspection record Public-domain dataset

SR 39

Carrying SR 39 over SOWASHEE CREEK

0.1 MI N I 59, Lauderdale, Mississippi

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
33 t Inventory load rating

Bridge Snapshot: SR 39

The SR 39 bridge in Lauderdale, Mississippi carries SR 39 over SOWASHEE CREEK. It was built in 1990, making it 36 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 104.2 meters (342 feet) end to end. Daily traffic averages 26,000 vehicles, placing it in the heavily-trafficked tier of Mississippi bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 8/9, substructure at 8/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 33.1 metric tons.

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

How SR 39 compares

▼ 1.3
Load rating vs Mississippi average (34.4 t)
Bottom 48%
Lower load rating than 52% of Mississippi bridges
484
Bridges in Lauderdale · 29 in Poor condition
SR 39 33.1 t
Mississippi average 34.4 t

Live comparison across Mississippi.

Historical Sufficiency Rating

PlainBridge-computed
78.6 / 100 - historical 50–79.9 band
Structural adequacy /55
55.0
Serviceability /30
24.0
Essentiality /15
0.0
Special reductions
−0.4

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 How the historical reference is calculated.

Condition Ratings

Deck
7/9
Good (7–9)
Superstructure
8/9
Good (7–9)
Substructure
8/9
Good (7–9)
Inventory Load Rating
33.1 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1990
Material
Prestressed Concrete
Number of Spans
1
Structure Length
104.2 m (342 ft)
Deck Width
25.3 m (83 ft)
Owner
State Highway Agency
Avg Daily Traffic
26,000 vehicles/day
Structure Number
310003903800010

Condition Analysis

  • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
  • The superstructure (beams and supports above the deck) is in good condition (8/9), showing no significant deterioration.
  • The substructure (piers and abutments) rates good at 8/9, with no significant deterioration on file.

How to read this record

This page shows what the last federal inspection recorded, not whether SR 39 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 SR 39 against other structures in Lauderdale and across Mississippi. Mississippi 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 SR 39?

SR 39 in Lauderdale, Mississippi has a deck rating of 7/9, superstructure rating of 8/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.

How often is SR 39 inspected?

SR 39'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 26,000 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SR 39 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 SR 39?

SR 39 has an NBI inventory load rating of 33.1 metric tons.

Who is responsible for maintaining SR 39?

SR 39 is owned and maintained by State Highway Agency.

How old is SR 39 and does age affect safety?

SR 39 was built in 1990, making it 36 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.