FHWA NBI 2024 Inspection record Public-domain dataset

SR 237

Carrying SR 237 over CASTLEBERRY CREEK

00.05 S SR 66, Perry, Indiana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
97 t Inventory load rating

Bridge Snapshot: SR 237

The SR 237 bridge in Perry, Indiana carries SR 237 over CASTLEBERRY CREEK. It was built in 1965, making it 61 years old today. The structure is built primarily of steel and spans 2 sections, stretching 10.7 meters (35 feet) end to end. Daily traffic averages 11,538 vehicles, placing it in the heavily-trafficked tier of Indiana bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show culvert at 5/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 97.2 metric tons.

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

How SR 237 compares

▲ 61.6
Load rating vs Indiana average (35.6 t)
Top 1%
Higher load rating than 99% of Indiana bridges
146
Bridges in Perry · 3 in Poor condition
SR 237 97.2 t
Indiana average 35.6 t

Live comparison across Indiana.

Historical Sufficiency Rating

PlainBridge-computed
72.7 / 100 - historical 50–79.9 band
Structural adequacy /55
45.0
Serviceability /30
29.0
Essentiality /15
0.0
Special reductions
−1.3

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Culvert
5/9
Fair (5–6)
Inventory Load Rating
97.2 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1965
Material
Steel
Number of Spans
2
Structure Length
10.7 m (35 ft)
Owner
State Highway Agency
Avg Daily Traffic
11,538 vehicles/day
Structure Number
029896

How to read this record

This page shows what the last federal inspection recorded, not whether SR 237 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 237 against other structures in Perry 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 237?

SR 237 in Perry, Indiana on the FHWA's 0–9 scale.

How often is SR 237 inspected?

SR 237'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 11,538 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SR 237 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 SR 237?

SR 237 has an NBI inventory load rating of 97.2 metric tons.

Who is responsible for maintaining SR 237?

SR 237 is owned and maintained by State Highway Agency.

How old is SR 237 and does age affect safety?

SR 237 was built in 1965, making it 61 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.