FHWA NBI 2024 Inspection record Public-domain dataset

PRESTO SYGAN ROAD

Carrying PRESTO SYGAN ROAD over BRANCH MILLERS RUN

300' NORTH OF SR50, Allegheny, Pennsylvania

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
33 t Inventory load rating

Bridge Snapshot: PRESTO SYGAN ROAD

The PRESTO SYGAN ROAD bridge in Allegheny, Pennsylvania carries PRESTO SYGAN ROAD over BRANCH MILLERS RUN. It was built in 1942, making it 84 years old today. The structure is built primarily of concrete and spans 1 section, stretching 7.0 meters (23 feet) end to end. Daily traffic averages 3,041 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 culvert at 3/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed. 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 PRESTO SYGAN ROAD compares

▼ 6.6
Load rating vs Pennsylvania average (39.3 t)
Bottom 22%
Lower load rating than 78% of Pennsylvania bridges
356
Bridges in Allegheny · 16 in Poor condition
PRESTO SYGAN ROAD 32.7 t
Pennsylvania average 39.3 t

Live comparison across Pennsylvania.

Historical Sufficiency Rating

PlainBridge-computed
54.5 / 100 - historical 50–79.9 band
Structural adequacy /55
15.0
Serviceability /30
26.0
Essentiality /15
13.5
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 How the historical reference is calculated.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

Culvert
3/9
Poor (1–4)
Inventory Load Rating
32.7 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1942
Material
Concrete
Number of Spans
1
Structure Length
7.0 m (23 ft)
Owner
State Highway Agency
Avg Daily Traffic
3,041 vehicles/day
Structure Number
000000000001745

How to read this record

PRESTO SYGAN ROAD is in the federal Poor condition category. That is a component-based result, not a closure order.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
  • Compare PRESTO SYGAN ROAD against other structures in Allegheny 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 PRESTO SYGAN ROAD?

PRESTO SYGAN ROAD in Allegheny, Pennsylvania on the FHWA's 0–9 scale.

How often is PRESTO SYGAN ROAD inspected?

PRESTO SYGAN ROAD'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 3,041 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. PRESTO SYGAN ROAD is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for PRESTO SYGAN ROAD?

PRESTO SYGAN ROAD has an NBI inventory load rating of 32.7 metric tons.

Who is responsible for maintaining PRESTO SYGAN ROAD?

PRESTO SYGAN ROAD is owned and maintained by State Highway Agency.

How old is PRESTO SYGAN ROAD and does age affect safety?

PRESTO SYGAN ROAD was built in 1942, making it 84 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.