FHWA NBI 2024 Inspection record Public-domain dataset

SR 518

Carrying SR 518 over WILLARD RUN (BRUSH CR)

0.99 MI E OF SR 644, Columbiana, Ohio

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
23 t Inventory load rating

Bridge Snapshot: SR 518

The SR 518 bridge in Columbiana, Ohio carries SR 518 over WILLARD RUN (BRUSH CR). It was built in 1968, making it 58 years old today. It was last reconstructed in 2008, extending its service life. The structure is built primarily of concrete continuous and spans 3 sections, stretching 22.3 meters (73 feet) end to end. Daily traffic averages 743 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 4/9, superstructure at 4/9, 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 23.3 metric tons.

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

How SR 518 compares

▼ 14.2
Load rating vs Ohio average (37.5 t)
Bottom 11%
Lower load rating than 89% of Ohio bridges
321
Bridges in Columbiana · 7 in Poor condition
SR 518 23.3 t
Ohio average 37.5 t

Live comparison across Ohio.

Historical Sufficiency Rating

PlainBridge-computed
59.0 / 100 - historical 50–79.9 band
Structural adequacy /55
21.1
Serviceability /30
25.0
Essentiality /15
12.9
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 How the historical reference is calculated.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
4/9
Poor (1–4)
Superstructure
4/9
Poor (1–4)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
23.3 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1968
Last Reconstructed
2008
Material
Concrete Continuous
Number of Spans
3
Structure Length
22.3 m (73 ft)
Deck Width
11.0 m (36 ft)
Owner
State Highway Agency
Avg Daily Traffic
743 vehicles/day
Structure Number
1505408

Condition Analysis

  • The deck (driving surface) is in poor condition (4/9), showing advanced deterioration that may require priority repair.
  • At 4/9, the superstructure (beams and supports above the deck) is in poor shape, with advanced wear flagged for priority repair.
  • 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 518 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 518 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 SR 518?

SR 518 in Columbiana, Ohio has a deck rating of 4/9, superstructure rating of 4/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is SR 518 inspected?

SR 518'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 743 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SR 518 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 518?

SR 518 has an NBI inventory load rating of 23.3 metric tons.

Who is responsible for maintaining SR 518?

SR 518 is owned and maintained by State Highway Agency.

How old is SR 518 and does age affect safety?

SR 518 was built in 1968, making it 58 years old and last reconstructed in 2008.

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.