FHWA NBI 2024 Inspection record Public-domain dataset

LONG ROAD

Carrying LONG ROAD over BRANCH OF ROBERSON DITCH

01.29 NW OF BICKNELL ROAD, Knox, Indiana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
25 t Inventory load rating

Bridge Snapshot: LONG ROAD

The LONG ROAD bridge in Knox, Indiana carries LONG ROAD over BRANCH OF ROBERSON DITCH. It was built in 1950, making it 76 years old today. It was last reconstructed in 1994, extending its service life. The structure is built primarily of concrete and spans 1 section, stretching 10.4 meters (34 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 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 25.4 metric tons.

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

How LONG ROAD compares

▼ 10.2
Load rating vs Indiana average (35.6 t)
Bottom 13%
Lower load rating than 87% of Indiana bridges
282
Bridges in Knox · 11 in Poor condition
LONG ROAD 25.4 t
Indiana average 35.6 t

Live comparison across Indiana.

Historical Sufficiency Rating

PlainBridge-computed
67.9 / 100 - historical 50–79.9 band
Structural adequacy /55
49.0
Serviceability /30
7.0
Essentiality /15
14.9
Special reductions
−3.0

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 How the historical reference is calculated.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
25.4 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1950
Last Reconstructed
1994
Material
Concrete
Number of Spans
1
Structure Length
10.4 m (34 ft)
Deck Width
5.8 m (19 ft)
Owner
County Highway Agency
Avg Daily Traffic
130 vehicles/day
Structure Number
4200162

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) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • At 7/9, 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 LONG 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 LONG 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 LONG ROAD?

LONG ROAD in Knox, Indiana 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 LONG ROAD inspected?

LONG 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. LONG ROAD 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 LONG ROAD?

LONG ROAD has an NBI inventory load rating of 25.4 metric tons.

Who is responsible for maintaining LONG ROAD?

LONG ROAD is owned and maintained by County Highway Agency.

How old is LONG ROAD and does age affect safety?

LONG ROAD was built in 1950, making it 76 years old and last reconstructed in 1994.

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.