FHWA NBI 2024 Inspection record Public-domain dataset

SOUTH BOUND SR 13

Carrying SOUTH BOUND SR 13 over NORTH BRAC KOKOSING RIVE

1.2 M N OF JCT SR 95, Knox, Ohio

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
32 t Inventory load rating

Bridge Snapshot: SOUTH BOUND SR 13

The SOUTH BOUND SR 13 bridge in Knox, Ohio carries SOUTH BOUND SR 13 over NORTH BRAC KOKOSING RIVE. It was built in 1967, making it 59 years old today. The structure is built primarily of steel continuous and spans 3 sections, stretching 56.4 meters (185 feet) end to end. Daily traffic averages 3,214 vehicles, placing it in the moderately-trafficked tier of Ohio bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 6/9, substructure at 7/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 32.4 metric tons.

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

How SOUTH BOUND SR 13 compares

▼ 5.1
Load rating vs Ohio average (37.5 t)
Bottom 26%
Lower load rating than 74% of Ohio bridges
274
Bridges in Knox · 15 in Poor condition
SOUTH BOUND SR 13 32.4 t
Ohio average 37.5 t

Live comparison across Ohio.

Historical Sufficiency Rating

PlainBridge-computed
94.7 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
25.0
Essentiality /15
14.7
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 How the historical reference is calculated.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
7/9
Good (7–9)
Inventory Load Rating
32.4 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1967
Material
Steel Continuous
Number of Spans
3
Structure Length
56.4 m (185 ft)
Deck Width
12.2 m (40 ft)
Owner
State Highway Agency
Avg Daily Traffic
3,214 vehicles/day
Structure Number
4200780

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • The superstructure (beams and supports above the deck) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • 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 SOUTH BOUND SR 13 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 SOUTH BOUND SR 13 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 SOUTH BOUND SR 13?

SOUTH BOUND SR 13 in Knox, Ohio has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is SOUTH BOUND SR 13 inspected?

SOUTH BOUND SR 13'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 3,214 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SOUTH BOUND SR 13 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 SOUTH BOUND SR 13?

SOUTH BOUND SR 13 has an NBI inventory load rating of 32.4 metric tons.

Who is responsible for maintaining SOUTH BOUND SR 13?

SOUTH BOUND SR 13 is owned and maintained by State Highway Agency.

How old is SOUTH BOUND SR 13 and does age affect safety?

SOUTH BOUND SR 13 was built in 1967, making it 59 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.