FHWA NBI 2024 Inspection record Public-domain dataset

THOMPSON ROAD

Carrying THOMPSON ROAD over TANGIPAHOA RIVER

SEC 1 T 3N R 6E B, Amite, Mississippi

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
45 t Inventory load rating

Bridge Snapshot: THOMPSON ROAD

The THOMPSON ROAD bridge in Amite, Mississippi carries THOMPSON ROAD over TANGIPAHOA RIVER. It was built in 1999, making it 27 years old today. The structure is built primarily of prestressed concrete and spans 7 sections, stretching 94.8 meters (311 feet) end to end. Daily traffic averages 600 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 a deck rating of 7/9, superstructure at 8/9, substructure at 8/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 44.8 metric tons.

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

How THOMPSON ROAD compares

▲ 10.4
Load rating vs Mississippi average (34.4 t)
Top 13%
Higher load rating than 87% of Mississippi bridges
210
Bridges in Amite · 20 in Poor condition
THOMPSON ROAD 44.8 t
Mississippi average 34.4 t

Live comparison across Mississippi.

Historical Sufficiency Rating

PlainBridge-computed
98.1 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
28.2
Essentiality /15
14.9
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 How the historical reference is calculated.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

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

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

Structural Details

Year Built
1999
Material
Prestressed Concrete
Number of Spans
7
Structure Length
94.8 m (311 ft)
Deck Width
9.5 m (31 ft)
Owner
County Highway Agency
Avg Daily Traffic
600 vehicles/day
Structure Number
SA0300000000124

Condition Analysis

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

How to read this record

This page shows what the last federal inspection recorded, not whether THOMPSON 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 THOMPSON ROAD against other structures in Amite 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 THOMPSON ROAD?

THOMPSON ROAD in Amite, 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 THOMPSON ROAD inspected?

THOMPSON 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 600 vehicles per day.

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

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

THOMPSON ROAD has an NBI inventory load rating of 44.8 metric tons.

Who is responsible for maintaining THOMPSON ROAD?

THOMPSON ROAD is owned and maintained by County Highway Agency.

How old is THOMPSON ROAD and does age affect safety?

THOMPSON ROAD was built in 1999, making it 27 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.