FHWA NBI 2024 Inspection record Public-domain dataset

SR 4013 NBL

Carrying SR 4013 NBL over NORFOLK SO. RR & 8TH AVE

7TH STREET BRIDGE, Blair, Pennsylvania

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Unknown

Bridge Snapshot: SR 4013 NBL

The SR 4013 NBL bridge in Blair, Pennsylvania carries SR 4013 NBL over NORFOLK SO. RR & 8TH AVE. It was built in 2005, making it 21 years old today. The structure is built primarily of prestressed concrete. Daily traffic averages 50 vehicles, placing it in the lower-traffic tier of Pennsylvania bridges.

The latest FHWA inspection records show limited component ratings on file. The weakest component sits in unrated condition. No reported major component scores in the Poor range under the current federal condition thresholds.

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

How SR 4013 NBL compares

83
Bridges in Blair

Live comparison across Pennsylvania.

Historical Sufficiency Rating

PlainBridge-computed
98.6 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
13.6
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 How the historical reference is calculated.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

Overall Condition
Unrated

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

Structural Details

Year Built
2005
Material
Prestressed Concrete
Avg Daily Traffic
50 vehicles/day
Structure Number
000000000042872

How to read this record

This page shows what the last federal inspection recorded, not whether SR 4013 NBL 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 4013 NBL against other structures in Blair 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 4013 NBL?

SR 4013 NBL in Blair, Pennsylvania on the FHWA's 0–9 scale.

How often is SR 4013 NBL inspected?

SR 4013 NBL'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 50 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SR 4013 NBL is currently shown as unrated condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for SR 4013 NBL?

An inventory load rating is not recorded for SR 4013 NBL.

Who is responsible for maintaining SR 4013 NBL?

Ownership is not specified for SR 4013 NBL in the NBI.

How old is SR 4013 NBL and does age affect safety?

SR 4013 NBL was built in 2005, making it 21 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.