THAD ROAD
Carrying THAD ROAD over BRANCH OF SANDY HOOK CR
SEC 16 T 1N R13E B, Walthall, Mississippi
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
THAD ROAD in Walthall, Mississippi sits above 94% of rated Mississippi bridges on inventory load rating (54 t), while its 2005 build year is earlier than 18% of Walthall's recorded-year cohort (154 bridges).
THAD ROAD in Walthall, Mississippi is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 2005, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 7. The lowest applicable rating sets the federal condition category, so this Good 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 MS:SA7400000000031
POST-2000 · CONCRETE · SINGLE-SPAN · CULVERT-LED · LOCAL-ADT · HEAVY-LOAD · CAT-GOOD
- POST-2000 2000+
- CONCRETE Concrete
- SINGLE-SPAN Single span
- CULVERT-LED Culvert-led
- LOCAL-ADT Local ADT
- HEAVY-LOAD Heavy load
- CAT-GOOD Good
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: THAD ROAD
The THAD ROAD bridge in Walthall, Mississippi carries THAD ROAD over BRANCH OF SANDY HOOK CR. It was built in 2005, making it 21 years old today. The structure is built primarily of concrete and spans 1 section, stretching 10.6 meters (35 feet) end to end. Daily traffic averages 150 vehicles, placing it in the lower-traffic tier of Mississippi bridges. It is owned and maintained by County 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.
How THAD ROAD compares
Age against the county: built in 2005, earlier than 27 of Walthall's 154 bridges with a recorded construction year (18%), against a county median build year of 1986. This is one of the newer structures in its county.
Live comparison across Mississippi bridges with a recorded inventory load rating (16,739 rated).
THAD ROAD vs every rated Mississippi bridge
Inventory load rating (metric tons), FHWA NBI, this state
54 Top 6% higher than 94% of 16,739 bridges
rated Mississippi 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.
Walthall inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 154 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
- 2005
- Material
- Concrete
- Number of Spans
- 1
- Structure Length
- 10.6 m (35 ft) 0
- Owner
- County Highway Agency
- Avg Daily Traffic
- 150 vehicles/day
- Structure Number
- SA7400000000031
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether THAD ROAD 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 THAD ROAD against other structures in Walthall 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 THAD ROAD?
THAD ROAD in Walthall, Mississippi on the FHWA's 0–9 scale.
How often is THAD ROAD inspected?
THAD ROAD'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 150 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. THAD ROAD 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 THAD ROAD?
THAD ROAD has an NBI inventory load rating of 53.9 metric tons.
Who is responsible for maintaining THAD ROAD?
THAD ROAD is owned and maintained by County Highway Agency.
How old is THAD ROAD and does age affect safety?
THAD ROAD was built in 2005, making it 21 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.