FHWA NBI 2024 Inspection record Public-domain dataset

SHADELAND AVENUE

Carrying SHADELAND AVENUE over CONRAIL RR

00.25 N OF MASSACHUSETTS, Marion, Indiana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
36 t Inventory load rating

Bridge Snapshot: SHADELAND AVENUE

The SHADELAND AVENUE bridge in Marion, Indiana carries SHADELAND AVENUE over CONRAIL RR. It was built in 1936, making it 90 years old today. It was last reconstructed in 2005, extending its service life. The structure is built primarily of prestressed concrete and spans 3 sections, stretching 57.0 meters (187 feet) end to end. Daily traffic averages 25,725 vehicles, placing it in the heavily-trafficked tier of Indiana bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 8/9, 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 36.3 metric tons.

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

How SHADELAND AVENUE compares

▲ 0.7
Load rating vs Indiana average (35.6 t)
Top 35%
Higher load rating than 65% of Indiana bridges
964
Bridges in Marion · 36 in Poor condition
SHADELAND AVENUE 36.3 t
Indiana average 35.6 t

Live comparison across Indiana.

Historical Sufficiency Rating

PlainBridge-computed
73.2 / 100 - historical 50–79.9 band
Structural adequacy /55
55.0
Serviceability /30
11.0
Essentiality /15
7.2
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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
8/9
Good (7–9)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
36.3 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1936
Last Reconstructed
2005
Material
Prestressed Concrete
Number of Spans
3
Structure Length
57.0 m (187 ft)
Deck Width
21.9 m (72 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
25,725 vehicles/day
Structure Number
4900168

Condition Analysis

  • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
  • At 8/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • The substructure (piers and abutments) is in fair condition (6/9), with minor deterioration that may require routine maintenance.

How to read this record

This page shows what the last federal inspection recorded, not whether SHADELAND AVENUE 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 SHADELAND AVENUE against other structures in Marion 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 SHADELAND AVENUE?

SHADELAND AVENUE in Marion, Indiana has a deck rating of 7/9, superstructure rating of 8/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is SHADELAND AVENUE inspected?

SHADELAND AVENUE'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 25,725 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SHADELAND AVENUE 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 SHADELAND AVENUE?

SHADELAND AVENUE has an NBI inventory load rating of 36.3 metric tons.

Who is responsible for maintaining SHADELAND AVENUE?

SHADELAND AVENUE is owned and maintained by City/Municipal Highway Agency.

How old is SHADELAND AVENUE and does age affect safety?

SHADELAND AVENUE was built in 1936, making it 90 years old and last reconstructed in 2005.

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.