FHWA NBI 2024 Inspection record Public-domain dataset

SR 66

Carrying SR 66 over LITTLE SANDY CREEK

04.10 W SR 70, Spencer, Indiana

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Good
33 t Inventory load rating Lower than 64% of rated Indiana bridges

SR 66 in Spencer, Indiana sits above 36% of rated Indiana bridges on inventory load rating (33 t), while its 1932 build year is earlier than 89% of Spencer's recorded-year cohort (244 bridges).

SR 66 in Spencer, Indiana is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 1932, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 7. The lowest applicable rating sets the federal condition category, so this Good result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.

NBI record plate

Structure IN:023510

PRE-1950 · CONCRETE · SINGLE-SPAN · CULVERT-LED · ARTERIAL-ADT · STANDARD-LOAD · CAT-GOOD

  • PRE-1950 Pre-1950
  • CONCRETE Concrete
  • SINGLE-SPAN Single span
  • CULVERT-LED Culvert-led
  • ARTERIAL-ADT Arterial ADT
  • STANDARD-LOAD Standard load
  • CAT-GOOD Good

Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.

Bridge Snapshot: SR 66

The SR 66 bridge in Spencer, Indiana carries SR 66 over LITTLE SANDY CREEK. It was built in 1932, making it 94 years old today. It was last reconstructed in 1984, extending its service life. The structure is built primarily of concrete and spans 1 section, stretching 17.1 meters (56 feet) end to end. Daily traffic averages 2,760 vehicles, placing it in the moderately-trafficked tier of Indiana bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show culvert at 7/9. The weakest component sits in good condition. All reported major components score above the Poor range.

How SR 66 compares

▼ 3.0
Load rating vs Indiana average (35.5 t; 19,495 rated)
244
Bridges in Spencer · 3 in Poor condition

Age against the county: built in 1932, earlier than 218 of Spencer's 244 bridges with a recorded construction year (89%), against a county median build year of 1988. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

SR 66 32.5 t
Indiana average (19,495 rated) 35.5 t

Live comparison across Indiana bridges with a recorded inventory load rating (19,495 rated).

SR 66 vs every rated Indiana bridge

Inventory load rating (metric tons), FHWA NBI, this state

33 Top 64% higher than 36% of 19,495 bridges

rated Indiana bridges, bucketed by value

Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source FHWA National Bridge Inventory · August 2026

Condition Ratings

Culvert
7/9
Good (7–9)
Inventory Load Rating
32.5 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Spencer inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 244 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.

Structural Details

Year Built
1932
Last Reconstructed
1984
Material
Concrete
Number of Spans
1
Structure Length
17.1 m (56 ft)
Deck Width
14.3 m (47 ft)
Owner
State Highway Agency
Avg Daily Traffic
2,760 vehicles/day
Structure Number
023510

How to read this record

This page shows what the last federal inspection recorded, not whether SR 66 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 SR 66 against other structures in Spencer 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 SR 66?

SR 66 in Spencer, Indiana on the FHWA's 0–9 scale.

How often is SR 66 inspected?

SR 66'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 2,760 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SR 66 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 SR 66?

SR 66 has an NBI inventory load rating of 32.5 metric tons.

Who is responsible for maintaining SR 66?

SR 66 is owned and maintained by State Highway Agency.

How old is SR 66 and does age affect safety?

SR 66 was built in 1932, making it 94 years old and last reconstructed in 1984.

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

Share this inspection record

Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.

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Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.