FHWA NBI 2024 Inspection record Public-domain dataset

SR 520

Carrying SR 520 over BLACK CREEK

2.88 MI W OF JCT US 62, Holmes, Ohio

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
36 t Inventory load rating

Bridge Snapshot: SR 520

The SR 520 bridge in Holmes, Ohio carries SR 520 over BLACK CREEK. It was built in 1989, making it 37 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 28.7 meters (94 feet) end to end. Daily traffic averages 468 vehicles, placing it in the lower-traffic tier of Ohio bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, 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 36.3 metric tons.

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

How SR 520 compares

▼ 1.2
Load rating vs Ohio average (37.5 t)
Top 42%
Higher load rating than 58% of Ohio bridges
208
Bridges in Holmes · 6 in Poor condition
SR 520 36.3 t
Ohio average 37.5 t

Live comparison across Ohio.

Historical Sufficiency Rating

PlainBridge-computed
99.9 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
14.9
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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
36.3 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1989
Material
Concrete Continuous
Number of Spans
3
Structure Length
28.7 m (94 ft)
Deck Width
10.1 m (33 ft)
Owner
State Highway Agency
Avg Daily Traffic
468 vehicles/day
Structure Number
3802809

Condition Analysis

  • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
  • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.

How to read this record

This page shows what the last federal inspection recorded, not whether SR 520 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 520 against other structures in Holmes 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 SR 520?

SR 520 in Holmes, Ohio has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is SR 520 inspected?

SR 520'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 468 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SR 520 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 520?

SR 520 has an NBI inventory load rating of 36.3 metric tons.

Who is responsible for maintaining SR 520?

SR 520 is owned and maintained by State Highway Agency.

How old is SR 520 and does age affect safety?

SR 520 was built in 1989, making it 37 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.