FHWA NBI 2024 Inspection record Public-domain dataset

NIMNICHT ROAD

Carrying NIMNICHT ROAD over NIMNICHT CREEK

01.55 NE US 150/50, Knox, Indiana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
77 t Inventory load rating

Bridge Snapshot: NIMNICHT ROAD

The NIMNICHT ROAD bridge in Knox, Indiana carries NIMNICHT ROAD over NIMNICHT CREEK. It was built in 1995, making it 31 years old today. The structure is built primarily of steel and spans 1 section, stretching 10.7 meters (35 feet) end to end. Daily traffic averages 170 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 7/9, superstructure at 4/9, substructure at 6/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed. Its NBI inventory load rating is 77.0 metric tons.

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

How NIMNICHT ROAD compares

▲ 41.4
Load rating vs Indiana average (35.6 t)
Top 2%
Higher load rating than 98% of Indiana bridges
282
Bridges in Knox · 11 in Poor condition
NIMNICHT ROAD 77.0 t
Indiana average 35.6 t

Live comparison across Indiana.

Historical Sufficiency Rating

PlainBridge-computed
50.8 / 100 - historical 50–79.9 band
Structural adequacy /55
30.0
Serviceability /30
9.0
Essentiality /15
14.8
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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
4/9
Poor (1–4)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
77.0 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
Steel
Number of Spans
1
Structure Length
10.7 m (35 ft)
Deck Width
6.1 m (20 ft)
Owner
County Highway Agency
Avg Daily Traffic
170 vehicles/day
Structure Number
4200294

Condition Analysis

  • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
  • At 4/9, the superstructure (beams and supports above the deck) is in poor shape, with advanced wear flagged for priority repair.
  • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

NIMNICHT ROAD 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 NIMNICHT 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 NIMNICHT ROAD?

NIMNICHT ROAD in Knox, Indiana has a deck rating of 7/9, superstructure rating of 4/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is NIMNICHT ROAD inspected?

NIMNICHT 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 170 vehicles per day.

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

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

NIMNICHT ROAD has an NBI inventory load rating of 77.0 metric tons.

Who is responsible for maintaining NIMNICHT ROAD?

NIMNICHT ROAD is owned and maintained by County Highway Agency.

How old is NIMNICHT ROAD and does age affect safety?

NIMNICHT ROAD 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.