FHWA NBI 2024 Inspection record Public-domain dataset

SR 487

Carrying SR 487 over ABANDONED RAILROAD

LIGHTSTREET, Columbia, Pennsylvania

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
50 t Inventory load rating

Bridge Snapshot: SR 487

The SR 487 bridge in Columbia, Pennsylvania carries SR 487 over ABANDONED RAILROAD. It was built in 1973, making it 53 years old today. The structure is built primarily of prestressed concrete and spans 3 sections, stretching 42.4 meters (139 feet) end to end. Daily traffic averages 5,174 vehicles, placing it in the moderately-trafficked tier of Pennsylvania bridges. It is owned and maintained by State 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 49.9 metric tons.

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

How SR 487 compares

▲ 10.6
Load rating vs Pennsylvania average (39.3 t)
Top 15%
Higher load rating than 85% of Pennsylvania bridges
187
Bridges in Columbia · 16 in Poor condition
SR 487 49.9 t
Pennsylvania average 39.3 t

Live comparison across Pennsylvania.

Historical Sufficiency Rating

PlainBridge-computed
74.1 / 100 - historical 50–79.9 band
Structural adequacy /55
45.0
Serviceability /30
25.0
Essentiality /15
4.1
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
5/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
49.9 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1973
Material
Prestressed Concrete
Number of Spans
3
Structure Length
42.4 m (139 ft)
Deck Width
14.6 m (48 ft)
Owner
State Highway Agency
Avg Daily Traffic
5,174 vehicles/day
Structure Number
000000000012589

Condition Analysis

  • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • At 5/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • 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 SR 487 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 487 against other structures in Columbia and across Pennsylvania. Pennsylvania 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 487?

SR 487 in Columbia, Pennsylvania 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 SR 487 inspected?

SR 487'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 5,174 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SR 487 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 487?

SR 487 has an NBI inventory load rating of 49.9 metric tons.

Who is responsible for maintaining SR 487?

SR 487 is owned and maintained by State Highway Agency.

How old is SR 487 and does age affect safety?

SR 487 was built in 1973, making it 53 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.