FHWA NBI 2024 Inspection record Public-domain dataset

MARION CENTER RD

Carrying MARION CENTER RD over JACOB KOEHLINGER DRAIN

00.25 N I-469, Allen, Indiana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
43 t Inventory load rating

Bridge Snapshot: MARION CENTER RD

The MARION CENTER RD bridge in Allen, Indiana carries MARION CENTER RD over JACOB KOEHLINGER DRAIN. It was built in 1996, making it 30 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 21.5 meters (71 feet) end to end. Daily traffic averages 3,800 vehicles, placing it in the moderately-trafficked 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 7/9, substructure at 7/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 42.9 metric tons.

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

How MARION CENTER RD compares

▲ 7.3
Load rating vs Indiana average (35.6 t)
Top 18%
Higher load rating than 82% of Indiana bridges
601
Bridges in Allen · 41 in Poor condition
MARION CENTER RD 42.9 t
Indiana average 35.6 t

Live comparison across Indiana.

Historical Sufficiency Rating

PlainBridge-computed
98.5 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
29.0
Essentiality /15
14.5
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 How the historical reference is calculated.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
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
42.9 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1996
Material
Concrete Continuous
Number of Spans
3
Structure Length
21.5 m (71 ft)
Deck Width
12.5 m (41 ft)
Owner
County Highway Agency
Avg Daily Traffic
3,800 vehicles/day
Structure Number
0200215

Condition Analysis

  • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
  • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
  • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether MARION CENTER 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 MARION CENTER RD against other structures in Allen 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 MARION CENTER RD?

MARION CENTER RD in Allen, Indiana has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is MARION CENTER RD inspected?

MARION CENTER 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 3,800 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. MARION CENTER RD 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 MARION CENTER RD?

MARION CENTER RD has an NBI inventory load rating of 42.9 metric tons.

Who is responsible for maintaining MARION CENTER RD?

MARION CENTER RD is owned and maintained by County Highway Agency.

How old is MARION CENTER RD and does age affect safety?

MARION CENTER RD was built in 1996, making it 30 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.