FHWA NBI 2024 Inspection record Public-domain dataset

ST.JOHN ROAD

Carrying ST.JOHN ROAD over BRANCH OF DABBS CRK

SEC_ 6_T 2N_R 4E B, Simpson, Mississippi

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
46 t Inventory load rating

Bridge Snapshot: ST.JOHN ROAD

The ST.JOHN ROAD bridge in Simpson, Mississippi carries ST.JOHN ROAD over BRANCH OF DABBS CRK. It was built in 1982, making it 44 years old today. The structure is built primarily of concrete and spans 2 sections, stretching 6.7 meters (22 feet) end to end. Daily traffic averages 200 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. Its NBI inventory load rating is 46.1 metric tons.

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

How ST.JOHN ROAD compares

▲ 11.7
Load rating vs Mississippi average (34.4 t)
Top 10%
Higher load rating than 90% of Mississippi bridges
201
Bridges in Simpson · 13 in Poor condition
ST.JOHN ROAD 46.1 t
Mississippi average 34.4 t

Live comparison across Mississippi.

Historical Sufficiency Rating

PlainBridge-computed
100.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
15.0
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 How the historical reference is calculated.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
7/9
Good (7–9)
Inventory Load Rating
46.1 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1982
Material
Concrete
Number of Spans
2
Structure Length
6.7 m (22 ft)
Owner
County Highway Agency
Avg Daily Traffic
200 vehicles/day
Structure Number
SA6400000000076

How to read this record

This page shows what the last federal inspection recorded, not whether ST.JOHN 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 ST.JOHN ROAD against other structures in Simpson 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 ST.JOHN ROAD?

ST.JOHN ROAD in Simpson, Mississippi on the FHWA's 0–9 scale.

How often is ST.JOHN ROAD inspected?

ST.JOHN 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 200 vehicles per day.

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

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

ST.JOHN ROAD has an NBI inventory load rating of 46.1 metric tons.

Who is responsible for maintaining ST.JOHN ROAD?

ST.JOHN ROAD is owned and maintained by County Highway Agency.

How old is ST.JOHN ROAD and does age affect safety?

ST.JOHN ROAD was built in 1982, making it 44 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.