S MONROE ST
Carrying S MONROE ST over BUFF & PITT RR
Btw E. Cunn. & Maple Ave., Butler, Pennsylvania
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
S MONROE ST in Butler, Pennsylvania sits above 53% of rated Pennsylvania bridges on inventory load rating (38 t), while its 2009 build year is earlier than 21% of Butler's recorded-year cohort (378 bridges).
S MONROE ST in Butler, Pennsylvania is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 2009, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 6. The lowest applicable rating sets the federal condition category, so this Fair 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:000000000044473
POST-2000 · PRESTRESS · SINGLE-SPAN · DECK-LED · ARTERIAL-ADT · STANDARD-LOAD · CAT-FAIR
- POST-2000 2000+
- PRESTRESS Prestressed concrete
- SINGLE-SPAN Single span
- DECK-LED Deck-led
- ARTERIAL-ADT Arterial ADT
- STANDARD-LOAD Standard load
- CAT-FAIR Fair
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: S MONROE ST
The S MONROE ST bridge in Butler, Pennsylvania carries S MONROE ST over BUFF & PITT RR. It was built in 2009, making it 17 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 18.3 meters (60 feet) end to end. Daily traffic averages 8,000 vehicles, placing it in the moderately-trafficked tier of Pennsylvania bridges. It is owned and maintained by City/Municipal Highway Agency.
The latest FHWA inspection records show a deck rating of 6/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in fair condition. All reported major components score above the Poor range.
How S MONROE ST compares
Age against the county: built in 2009, earlier than 79 of Butler's 378 bridges with a recorded construction year (21%), against a county median build year of 1974. 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).
S MONROE ST vs every rated Pennsylvania bridge
Inventory load rating (metric tons), FHWA NBI, this state
38 Top 47% higher than 53% 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.
Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.
Butler inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 378 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
- 2009
- Material
- Prestressed Concrete
- Number of Spans
- 1
- Structure Length
- 18.3 m (60 ft)
- Deck Width
- 11.5 m (38 ft)
- Owner
- City/Municipal Highway Agency
- Avg Daily Traffic
- 8,000 vehicles/day
- Structure Number
- 000000000044473
Condition Analysis
- • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
- • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
- • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.
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 S MONROE ST 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 S MONROE ST against other structures in Butler 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 S MONROE ST?
S MONROE ST in Butler, Pennsylvania has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.
How often is S MONROE ST inspected?
S MONROE ST'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 8,000 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. S MONROE ST 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 S MONROE ST?
S MONROE ST has an NBI inventory load rating of 38.1 metric tons.
Who is responsible for maintaining S MONROE ST?
S MONROE ST is owned and maintained by City/Municipal Highway Agency.
How old is S MONROE ST and does age affect safety?
S MONROE ST was built in 2009, making it 17 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.
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.