FHWA NBI 2024 Inspection record Public-domain dataset

Po-500E

Carrying Po-500E over KANKAKEE RIVER

0.13 S CR 500E, Porter, Indiana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
33 t Inventory load rating

Bridge Snapshot: Po-500E

The Po-500E bridge in Porter, Indiana carries Po-500E over KANKAKEE RIVER. It was built in 1985, making it 41 years old today. It was last reconstructed in 2000, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 46.7 meters (153 feet) end to end. Daily traffic averages 1 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. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 32.7 metric tons.

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

How Po-500E compares

▼ 2.9
Load rating vs Indiana average (35.6 t)
Bottom 36%
Lower load rating than 64% of Indiana bridges
280
Bridges in Porter · 14 in Poor condition
Po-500E 32.7 t
Indiana average 35.6 t

Live comparison across Indiana.

Historical Sufficiency Rating

PlainBridge-computed
71.0 / 100 - historical 50–79.9 band
Structural adequacy /55
45.0
Serviceability /30
19.0
Essentiality /15
15.0
Special reductions
−8.0

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 How the historical reference is calculated.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
32.7 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1985
Last Reconstructed
2000
Material
Steel
Number of Spans
1
Structure Length
46.7 m (153 ft)
Deck Width
4.8 m (16 ft)
Owner
County Highway Agency
Avg Daily Traffic
1 vehicles/day
Structure Number
6400173

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • The superstructure (beams and supports above the deck) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • 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 Po-500E 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 Po-500E against other structures in Porter 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 Po-500E?

Po-500E in Porter, 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 Po-500E inspected?

Po-500E'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 1 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. Po-500E 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 Po-500E?

Po-500E has an NBI inventory load rating of 32.7 metric tons.

Who is responsible for maintaining Po-500E?

Po-500E is owned and maintained by County Highway Agency.

How old is Po-500E and does age affect safety?

Po-500E was built in 1985, making it 41 years old and last reconstructed in 2000.

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.