FHWA NBI 2024 Inspection record Public-domain dataset

SR 514

Carrying SR 514 over TRIB OF MOHICAN RIVER

4.7 M N OF JCT SR 205, Knox, Ohio

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
45 t Inventory load rating

Bridge Snapshot: SR 514

The SR 514 bridge in Knox, Ohio carries SR 514 over TRIB OF MOHICAN RIVER. It was built in 1995, making it 31 years old today. The structure is built primarily of prestressed concrete and spans 3 sections, stretching 33.2 meters (109 feet) end to end. Daily traffic averages 836 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 7/9. 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 45.4 metric tons.

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

How SR 514 compares

▲ 7.9
Load rating vs Ohio average (37.5 t)
Top 24%
Higher load rating than 76% of Ohio bridges
274
Bridges in Knox · 15 in Poor condition
SR 514 45.4 t
Ohio average 37.5 t

Live comparison across Ohio.

Historical Sufficiency Rating

PlainBridge-computed
69.0 / 100 - historical 50–79.9 band
Structural adequacy /55
30.0
Serviceability /30
25.0
Essentiality /15
14.0
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 How the historical reference is calculated.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
7/9
Good (7–9)
Inventory Load Rating
45.4 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1995
Material
Prestressed Concrete
Number of Spans
3
Structure Length
33.2 m (109 ft)
Deck Width
10.4 m (34 ft)
Owner
State Highway Agency
Avg Daily Traffic
836 vehicles/day
Structure Number
4203119

Condition Analysis

  • The deck (driving surface) rates poor at 4/9, advanced deterioration that should be prioritized for repair.
  • The superstructure (beams and supports above the deck) rates poor at 4/9, advanced deterioration that should be prioritized for repair.
  • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.

How to read this record

SR 514 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 514 against other structures in Knox 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 514?

SR 514 in Knox, Ohio has a deck rating of 4/9, superstructure rating of 4/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is SR 514 inspected?

SR 514'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 836 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SR 514 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 514?

SR 514 has an NBI inventory load rating of 45.4 metric tons.

Who is responsible for maintaining SR 514?

SR 514 is owned and maintained by State Highway Agency.

How old is SR 514 and does age affect safety?

SR 514 was built in 1995, making it 31 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.