FHWA NBI 2024 Inspection record Public-domain dataset

SR 28

Carrying SR 28 over CNIC RR

0.3 MI E US 51, Copiah, Mississippi

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
30 t Inventory load rating

Bridge Snapshot: SR 28

The SR 28 bridge in Copiah, Mississippi carries SR 28 over CNIC RR. It was built in 1975, making it 51 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 51.8 meters (170 feet) end to end. Daily traffic averages 8,700 vehicles, placing it in the moderately-trafficked tier of Mississippi bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 4/9, superstructure at 7/9, substructure at 6/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order. Its NBI inventory load rating is 29.5 metric tons.

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

How SR 28 compares

▼ 4.9
Load rating vs Mississippi average (34.4 t)
Bottom 32%
Lower load rating than 68% of Mississippi bridges
266
Bridges in Copiah · 12 in Poor condition
SR 28 29.5 t
Mississippi average 34.4 t

Live comparison across Mississippi.

Historical Sufficiency Rating

PlainBridge-computed
81.9 / 100 - historical 80–100 band
Structural adequacy /55
53.4
Serviceability /30
21.0
Essentiality /15
7.5
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 How the historical reference is calculated.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
4/9
Poor (1–4)
Superstructure
7/9
Good (7–9)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
29.5 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1975
Material
Prestressed Concrete
Number of Spans
1
Structure Length
51.8 m (170 ft)
Deck Width
13.1 m (43 ft)
Owner
State Highway Agency
Avg Daily Traffic
8,700 vehicles/day
Structure Number
310002801504760

Condition Analysis

  • At 4/9, the deck (driving surface) is in poor shape, with advanced wear flagged for priority repair.
  • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
  • The substructure (piers and abutments) is in fair condition (6/9), with minor deterioration that may require routine maintenance.

How to read this record

SR 28 is in the federal Poor condition category. That is a component-based result, not a closure order.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
  • Compare SR 28 against other structures in Copiah 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 28?

SR 28 in Copiah, Mississippi has a deck rating of 4/9, superstructure rating of 7/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is SR 28 inspected?

SR 28'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 8,700 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SR 28 is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for SR 28?

SR 28 has an NBI inventory load rating of 29.5 metric tons.

Who is responsible for maintaining SR 28?

SR 28 is owned and maintained by State Highway Agency.

How old is SR 28 and does age affect safety?

SR 28 was built in 1975, making it 51 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.