FHWA NBI 2024 Inspection record Public-domain dataset

SR 178

Carrying SR 178 over OAKLIMITER CREEK

1.1 MI E SR 5, Benton, Mississippi

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
64 t Inventory load rating

Bridge Snapshot: SR 178

The SR 178 bridge in Benton, Mississippi carries SR 178 over OAKLIMITER CREEK. It was built in 2021, making it 5 years old today. The structure is built primarily of prestressed concrete and spans 3 sections, stretching 79.2 meters (260 feet) end to end. Daily traffic averages 230 vehicles, placing it in the lower-traffic tier of Mississippi bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 8/9, 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 64.4 metric tons.

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

How SR 178 compares

▲ 30.0
Load rating vs Mississippi average (34.4 t)
Top 4%
Higher load rating than 96% of Mississippi bridges
103
Bridges in Benton · 8 in Poor condition
SR 178 64.4 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 How the historical reference is calculated.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

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

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

Structural Details

Year Built
2021
Material
Prestressed Concrete
Number of Spans
3
Structure Length
79.2 m (260 ft)
Deck Width
11.8 m (39 ft)
Owner
State Highway Agency
Avg Daily Traffic
230 vehicles/day
Structure Number
310017800505130

Condition Analysis

  • At 8/9, 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 178 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 178 against other structures in Benton 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 178?

SR 178 in Benton, Mississippi has a deck rating of 8/9, superstructure rating of 8/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.

How often is SR 178 inspected?

SR 178'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 230 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SR 178 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 178?

SR 178 has an NBI inventory load rating of 64.4 metric tons.

Who is responsible for maintaining SR 178?

SR 178 is owned and maintained by State Highway Agency.

How old is SR 178 and does age affect safety?

SR 178 was built in 2021, making it 5 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.