FHWA NBI 2024 Inspection record Public-domain dataset

RIVERDALE RD.

Carrying RIVERDALE RD. over RIVERDALE CREEK

SEC 30 T23N R 5E B, Grenada, Mississippi

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
30 t Inventory load rating

Bridge Snapshot: RIVERDALE RD.

The RIVERDALE RD. bridge in Grenada, Mississippi carries RIVERDALE RD. over RIVERDALE CREEK. It was built in 1954, making it 72 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 33.2 meters (109 feet) end to end. Daily traffic averages 240 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 6/9, superstructure at 6/9, substructure at 6/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range. 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 RIVERDALE RD. compares

▼ 4.9
Load rating vs Mississippi average (34.4 t)
Bottom 32%
Lower load rating than 68% of Mississippi bridges
163
Bridges in Grenada · 3 in Poor condition
RIVERDALE RD. 29.5 t
Mississippi average 34.4 t

Live comparison across Mississippi.

Historical Sufficiency Rating

PlainBridge-computed
84.5 / 100 - historical 80–100 band
Structural adequacy /55
53.4
Serviceability /30
18.3
Essentiality /15
14.8
Special reductions
−2.0

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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
29.5 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1954
Material
Prestressed Concrete
Number of Spans
1
Structure Length
33.2 m (109 ft)
Deck Width
7.5 m (25 ft)
Owner
County Highway Agency
Avg Daily Traffic
240 vehicles/day
Structure Number
SA2200000000066

Condition Analysis

  • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • The superstructure (beams and supports above the deck) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • The substructure (piers and abutments) is in fair condition (6/9), with minor deterioration that may require routine maintenance.

How to read this record

This page shows what the last federal inspection recorded, not whether RIVERDALE RD. 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 RIVERDALE RD. against other structures in Grenada 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 RIVERDALE RD.?

RIVERDALE RD. in Grenada, Mississippi has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is RIVERDALE RD. inspected?

RIVERDALE RD.'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 240 vehicles per day.

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

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

What is the inventory load rating for RIVERDALE RD.?

RIVERDALE RD. has an NBI inventory load rating of 29.5 metric tons.

Who is responsible for maintaining RIVERDALE RD.?

RIVERDALE RD. is owned and maintained by County Highway Agency.

How old is RIVERDALE RD. and does age affect safety?

RIVERDALE RD. was built in 1954, making it 72 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.