FHWA NBI 2024 Inspection record Public-domain dataset

THORNTON ST.

Carrying THORNTON ST. over OHIO CANAL (153)

BOWERY TO BOULEVARD STS., Summit, Ohio

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
26 t Inventory load rating

Bridge Snapshot: THORNTON ST.

The THORNTON ST. bridge in Summit, Ohio carries THORNTON ST. over OHIO CANAL (153). It was built in 1972, making it 54 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 44.8 meters (147 feet) end to end. Daily traffic averages 5,394 vehicles, placing it in the moderately-trafficked tier of Ohio bridges. It is owned and maintained by City/Municipal 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 25.9 metric tons.

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

How THORNTON ST. compares

▼ 11.6
Load rating vs Ohio average (37.5 t)
Bottom 13%
Lower load rating than 87% of Ohio bridges
563
Bridges in Summit · 13 in Poor condition
THORNTON ST. 25.9 t
Ohio average 37.5 t

Live comparison across Ohio.

Historical Sufficiency Rating

PlainBridge-computed
92.1 / 100 - historical 80–100 band
Structural adequacy /55
49.6
Serviceability /30
28.0
Essentiality /15
14.4
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
25.9 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1972
Material
Concrete Continuous
Number of Spans
3
Structure Length
44.8 m (147 ft)
Deck Width
19.0 m (62 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
5,394 vehicles/day
Structure Number
7760310

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) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

This page shows what the last federal inspection recorded, not whether THORNTON ST. 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 THORNTON ST. against other structures in Summit 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 THORNTON ST.?

THORNTON ST. in Summit, Ohio 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 THORNTON ST. inspected?

THORNTON ST.'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 5,394 vehicles per day.

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

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

THORNTON ST. has an NBI inventory load rating of 25.9 metric tons.

Who is responsible for maintaining THORNTON ST.?

THORNTON ST. is owned and maintained by City/Municipal Highway Agency.

How old is THORNTON ST. and does age affect safety?

THORNTON ST. was built in 1972, making it 54 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.