FHWA NBI 2024 Inspection record Public-domain dataset

DEVIL BACKBONE RD

Carrying DEVIL BACKBONE RD over DEER CREEK

00.65 MI E OF CR275E, Putnam, Indiana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
14 t Inventory load rating

Bridge Snapshot: DEVIL BACKBONE RD

The DEVIL BACKBONE RD bridge in Putnam, Indiana carries DEVIL BACKBONE RD over DEER CREEK. It was built in 1906, making it 120 years old today. It was last reconstructed in 2006, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 28.6 meters (94 feet) end to end. Daily traffic averages 120 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 5/9, substructure at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 13.6 metric tons.

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

How DEVIL BACKBONE RD compares

▼ 22.0
Load rating vs Indiana average (35.6 t)
Bottom 3%
Lower load rating than 97% of Indiana bridges
284
Bridges in Putnam · 52 in Poor condition
DEVIL BACKBONE RD 13.6 t
Indiana average 35.6 t

Live comparison across Indiana.

Historical Sufficiency Rating

PlainBridge-computed
46.7 / 100 - historical 20–49.9 band
Structural adequacy /55
18.5
Serviceability /30
13.3
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
5/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
13.6 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1906
Last Reconstructed
2006
Material
Steel
Number of Spans
1
Structure Length
28.6 m (94 ft)
Deck Width
4.9 m (16 ft)
Owner
County Highway Agency
Avg Daily Traffic
120 vehicles/day
Structure Number
6700131

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • At 5/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

This page shows what the last federal inspection recorded, not whether DEVIL BACKBONE RD 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 DEVIL BACKBONE RD against other structures in Putnam 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 DEVIL BACKBONE RD?

DEVIL BACKBONE RD in Putnam, Indiana has a deck rating of 6/9, superstructure rating of 5/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is DEVIL BACKBONE RD inspected?

DEVIL BACKBONE RD'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 120 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. DEVIL BACKBONE RD 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 DEVIL BACKBONE RD?

DEVIL BACKBONE RD has an NBI inventory load rating of 13.6 metric tons.

Who is responsible for maintaining DEVIL BACKBONE RD?

DEVIL BACKBONE RD is owned and maintained by County Highway Agency.

How old is DEVIL BACKBONE RD and does age affect safety?

DEVIL BACKBONE RD was built in 1906, making it 120 years old and last reconstructed in 2006.

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.