SILVER ST. BR 2313
Carrying SILVER ST. BR 2313 over OVER SHENANGO RIVER
SILVER ST SHARON, Mercer, Pennsylvania
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
SILVER ST. BR 2313 in Mercer, Pennsylvania sits above 86% of rated Pennsylvania bridges on inventory load rating (51 t), while its 1983 build year is earlier than 33% of Mercer's recorded-year cohort (438 bridges).
SILVER ST. BR 2313 in Mercer, Pennsylvania is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1983, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 4. The lowest applicable rating sets the federal condition category, so this Poor 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:000000000026317
LATE-CENTURY · STEEL · MULTI-SPAN · SUB-LED · ARTERIAL-ADT · HEAVY-LOAD · CAT-POOR
- LATE-CENTURY 1980–1999
- STEEL Steel
- MULTI-SPAN 2 spans
- SUB-LED Substructure-led
- ARTERIAL-ADT Arterial ADT
- HEAVY-LOAD Heavy load
- CAT-POOR Poor
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: SILVER ST. BR 2313
The SILVER ST. BR 2313 bridge in Mercer, Pennsylvania carries SILVER ST. BR 2313 over OVER SHENANGO RIVER. It was built in 1983, making it 43 years old today. The structure is built primarily of steel continuous and spans 2 sections, stretching 78.9 meters (259 feet) end to end. Daily traffic averages 5,513 vehicles, placing it in the moderately-trafficked tier of Pennsylvania bridges. It is owned and maintained by County Highway Agency.
The latest FHWA inspection records show a deck rating of 6/9, superstructure at 8/9, substructure at 4/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules.
How SILVER ST. BR 2313 compares
Age against the county: built in 1983, earlier than 146 of Mercer's 438 bridges with a recorded construction year (33%), against a county median build year of 1966. 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).
SILVER ST. BR 2313 vs every rated Pennsylvania bridge
Inventory load rating (metric tons), FHWA NBI, this state
51 Top 14% higher than 86% 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.
Mercer inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 438 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
- 1983
- Material
- Steel Continuous
- Number of Spans
- 2
- Structure Length
- 78.9 m (259 ft)
- Deck Width
- 14.3 m (47 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 5,513 vehicles/day
- Structure Number
- 000000000026317
Condition Analysis
- • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
- • At 8/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
- • The substructure (piers and abutments) rates poor at 4/9, with advanced deterioration recorded on the latest inspection.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
SILVER ST. BR 2313 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 SILVER ST. BR 2313 against other structures in Mercer 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 SILVER ST. BR 2313?
SILVER ST. BR 2313 in Mercer, Pennsylvania has a deck rating of 6/9, superstructure rating of 8/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.
How often is SILVER ST. BR 2313 inspected?
SILVER ST. BR 2313'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 5,513 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. SILVER ST. BR 2313 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 SILVER ST. BR 2313?
SILVER ST. BR 2313 has an NBI inventory load rating of 50.8 metric tons.
Who is responsible for maintaining SILVER ST. BR 2313?
SILVER ST. BR 2313 is owned and maintained by County Highway Agency.
How old is SILVER ST. BR 2313 and does age affect safety?
SILVER ST. BR 2313 was built in 1983, making it 43 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.
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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.