FHWA NBI 2024 Inspection record Public-domain dataset

OVERHEAD ROAD

Carrying OVERHEAD ROAD over CSX RAILROAD

00.14 NE COUNTY MKT LN, Knox, Indiana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
43 t Inventory load rating

Bridge Snapshot: OVERHEAD ROAD

The OVERHEAD ROAD bridge in Knox, Indiana carries OVERHEAD ROAD over CSX RAILROAD. It was built in 2009, making it 17 years old today. The structure is built primarily of steel and spans 1 section, stretching 24.7 meters (81 feet) end to end. Daily traffic averages 130 vehicles, placing it in the lower-traffic tier of Indiana bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 8/9, superstructure at 8/9, substructure at 8/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 43.4 metric tons.

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

How OVERHEAD ROAD compares

▲ 7.8
Load rating vs Indiana average (35.6 t)
Top 17%
Higher load rating than 83% of Indiana bridges
282
Bridges in Knox · 11 in Poor condition
OVERHEAD ROAD 43.4 t
Indiana average 35.6 t

Live comparison across Indiana.

Historical Sufficiency Rating

PlainBridge-computed
100.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
15.0
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 How the historical reference is calculated.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
8/9
Good (7–9)
Superstructure
8/9
Good (7–9)
Substructure
8/9
Good (7–9)
Inventory Load Rating
43.4 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2009
Material
Steel
Number of Spans
1
Structure Length
24.7 m (81 ft)
Deck Width
9.4 m (31 ft)
Owner
County Highway Agency
Avg Daily Traffic
130 vehicles/day
Structure Number
4200523

Condition Analysis

  • The deck (driving surface) is in good condition (8/9), showing no significant deterioration.
  • The superstructure (beams and supports above the deck) rates good at 8/9, with no significant deterioration on file.
  • At 8/9, the substructure (piers and abutments) is in good shape and shows no significant wear.

How to read this record

This page shows what the last federal inspection recorded, not whether OVERHEAD ROAD 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 OVERHEAD ROAD against other structures in Knox and across Indiana. Indiana 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 OVERHEAD ROAD?

OVERHEAD ROAD in Knox, Indiana has a deck rating of 8/9, superstructure rating of 8/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.

How often is OVERHEAD ROAD inspected?

OVERHEAD ROAD'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 130 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. OVERHEAD ROAD 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 OVERHEAD ROAD?

OVERHEAD ROAD has an NBI inventory load rating of 43.4 metric tons.

Who is responsible for maintaining OVERHEAD ROAD?

OVERHEAD ROAD is owned and maintained by County Highway Agency.

How old is OVERHEAD ROAD and does age affect safety?

OVERHEAD ROAD was built in 2009, making it 17 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.