FHWA NBI 2024 Inspection record Public-domain dataset

CR 500N

Carrying CR 500N over SALT CREEK

00.80 W JCT SR 149, Porter, Indiana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
32 t Inventory load rating

Bridge Snapshot: CR 500N

The CR 500N bridge in Porter, Indiana carries CR 500N over SALT CREEK. It was built in 1981, making it 45 years old today. The structure is built primarily of steel and spans 3 sections, stretching 24.5 meters (80 feet) end to end. Daily traffic averages 2,480 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 culvert 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 32.4 metric tons.

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

How CR 500N compares

▼ 3.2
Load rating vs Indiana average (35.6 t)
Bottom 35%
Lower load rating than 65% of Indiana bridges
280
Bridges in Porter · 14 in Poor condition
CR 500N 32.4 t
Indiana average 35.6 t

Live comparison across Indiana.

Historical Sufficiency Rating

PlainBridge-computed
91.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
22.0
Essentiality /15
14.0
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 How the historical reference is calculated.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

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

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

Structural Details

Year Built
1981
Material
Steel
Number of Spans
3
Structure Length
24.5 m (80 ft)
Deck Width
9.0 m (30 ft)
Owner
County Highway Agency
Avg Daily Traffic
2,480 vehicles/day
Structure Number
6400066

How to read this record

This page shows what the last federal inspection recorded, not whether CR 500N 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 CR 500N 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 CR 500N?

CR 500N in Porter, Indiana on the FHWA's 0–9 scale.

How often is CR 500N inspected?

CR 500N'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 2,480 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. CR 500N 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 CR 500N?

CR 500N has an NBI inventory load rating of 32.4 metric tons.

Who is responsible for maintaining CR 500N?

CR 500N is owned and maintained by County Highway Agency.

How old is CR 500N and does age affect safety?

CR 500N was built in 1981, making it 45 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.