MIDDLETON RD 421
Carrying MIDDLETON RD 421 over YOUNGSTOWN SOUTHERN R R
0.1 MI S T885, Columbiana, Ohio
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: MIDDLETON RD 421
The MIDDLETON RD 421 bridge in Columbiana, Ohio carries MIDDLETON RD 421 over YOUNGSTOWN SOUTHERN R R. It was built in 1930, making it 96 years old today. It was last reconstructed in 2018, extending its service life. The structure is built primarily of concrete continuous and spans 3 sections, stretching 30.8 meters (101 feet) end to end. Daily traffic averages 1,102 vehicles, placing it in the moderately-trafficked tier of Ohio bridges. It is owned and maintained by County Highway Agency.
The latest FHWA inspection records show a deck rating of 8/9, superstructure at 8/9, substructure at 7/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 19.4 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How MIDDLETON RD 421 compares
Live comparison across Ohio.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1930
- Last Reconstructed
- 2018
- Material
- Concrete Continuous
- Number of Spans
- 3
- Structure Length
- 30.8 m (101 ft)
- Deck Width
- 8.2 m (27 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 1,102 vehicles/day
- Structure Number
- 1532081
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗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) rates good at 8/9, with no significant deterioration on file.
- • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.
How to read this record
This page shows what the last federal inspection recorded, not whether MIDDLETON RD 421 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 MIDDLETON RD 421 against other structures in Columbiana and across Ohio. Ohio 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 MIDDLETON RD 421?
MIDDLETON RD 421 in Columbiana, Ohio has a deck rating of 8/9, superstructure rating of 8/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.
How often is MIDDLETON RD 421 inspected?
MIDDLETON RD 421'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 1,102 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. MIDDLETON RD 421 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 MIDDLETON RD 421?
MIDDLETON RD 421 has an NBI inventory load rating of 19.4 metric tons.
Who is responsible for maintaining MIDDLETON RD 421?
MIDDLETON RD 421 is owned and maintained by County Highway Agency.
How old is MIDDLETON RD 421 and does age affect safety?
MIDDLETON RD 421 was built in 1930, making it 96 years old and last reconstructed in 2018.
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.
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.