Summit Dr.
Carrying Summit Dr. over Pine Creek
93 E from Wexford Run Rd, Allegheny, Pennsylvania
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
Summit Dr. in Allegheny, Pennsylvania sits above 99% of rated Pennsylvania bridges on inventory load rating (100 t), while its 1975 build year is earlier than 39% of Allegheny's recorded-year cohort (1,294 bridges).
Summit Dr. in Allegheny, Pennsylvania is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 1975, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 8. The lowest applicable rating sets the federal condition category, so this Good result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.
NBI record plate
Structure PA:000000000049125
INTERSTATE-ERA · STEEL · MULTI-SPAN · CULVERT-LED · LOCAL-ADT · HEAVY-LOAD · CAT-GOOD
- INTERSTATE-ERA 1950–1979
- STEEL Steel
- MULTI-SPAN 2 spans
- CULVERT-LED Culvert-led
- LOCAL-ADT Local ADT
- HEAVY-LOAD Heavy load
- CAT-GOOD Good
Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.
Bridge Snapshot: Summit Dr.
The Summit Dr. bridge in Allegheny, Pennsylvania carries Summit Dr. over Pine Creek. It was built in 1975, making it 51 years old today. It was last reconstructed in 2022, extending its service life. The structure is built primarily of steel and spans 2 sections, stretching 6.4 meters (21 feet) end to end. Daily traffic averages 100 vehicles, placing it in the lower-traffic tier of Pennsylvania bridges. It is owned and maintained by Town/Township Highway Agency.
The latest FHWA inspection records show culvert at 8/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range.
How Summit Dr. compares
Age against the county: built in 1975, earlier than 501 of Allegheny's 1,294 bridges with a recorded construction year (39%), against a county median build year of 1968. This is one of the newer structures in its county.
Live comparison across Pennsylvania bridges with a recorded inventory load rating (23,297 of 23,299 rated).
Summit Dr. vs every rated Pennsylvania bridge
Inventory load rating (metric tons), FHWA NBI, this state
100 Top 1% higher than 99% of 23,297 bridges
rated Pennsylvania bridges, bucketed by value
Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source FHWA National Bridge Inventory · August 2026
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Allegheny inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 1,294 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.
Structural Details
- Year Built
- 1975
- Last Reconstructed
- 2022
- Material
- Steel
- Number of Spans
- 2
- Structure Length
- 6.4 m (21 ft) 0
- Owner
- Town/Township Highway Agency
- Avg Daily Traffic
- 100 vehicles/day
- Structure Number
- 000000000049125
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether Summit Dr. 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 Summit Dr. 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 Summit Dr.?
Summit Dr. in Allegheny, Pennsylvania on the FHWA's 0–9 scale.
How often is Summit Dr. inspected?
Summit Dr.'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 100 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. Summit Dr. is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for Summit Dr.?
Summit Dr. has an NBI inventory load rating of 99.8 metric tons.
Who is responsible for maintaining Summit Dr.?
Summit Dr. is owned and maintained by Town/Township Highway Agency.
How old is Summit Dr. and does age affect safety?
Summit Dr. was built in 1975, making it 51 years old and last reconstructed in 2022.
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.
Share this inspection record
Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.
Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.