T-480, OLD RTE 99
Carrying T-480, OLD RTE 99 over LAMSON RUN
1700' N OF STANCLIFF RD, Erie, Pennsylvania
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: T-480, OLD RTE 99
The T-480, OLD RTE 99 bridge in Erie, Pennsylvania carries T-480, OLD RTE 99 over LAMSON RUN. It was built in 1913, making it 113 years old today. It was last reconstructed in 1941, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 10.1 meters (33 feet) end to end. Daily traffic averages 610 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 a deck rating of 3/9, superstructure at 4/9, 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. Its NBI inventory load rating is 13.6 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How T-480, OLD RTE 99 compares
Live comparison across Pennsylvania.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1913
- Last Reconstructed
- 1941
- Material
- Steel
- Number of Spans
- 1
- Structure Length
- 10.1 m (33 ft)
- Deck Width
- 9.1 m (30 ft)
- Owner
- Town/Township Highway Agency
- Avg Daily Traffic
- 610 vehicles/day
- Structure Number
- 000000000016453
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) is in poor condition (3/9), showing advanced deterioration that may require priority repair.
- • At 4/9, the superstructure (beams and supports above the deck) is in poor shape, with advanced wear flagged for priority repair.
- • The substructure (piers and abutments) rates poor at 4/9, advanced deterioration that should be prioritized for repair.
How to read this record
T-480, OLD RTE 99 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 T-480, OLD RTE 99 against other structures in Erie 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 T-480, OLD RTE 99?
T-480, OLD RTE 99 in Erie, Pennsylvania has a deck rating of 3/9, superstructure rating of 4/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.
How often is T-480, OLD RTE 99 inspected?
T-480, OLD RTE 99'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 610 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. T-480, OLD RTE 99 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 T-480, OLD RTE 99?
T-480, OLD RTE 99 has an NBI inventory load rating of 13.6 metric tons.
Who is responsible for maintaining T-480, OLD RTE 99?
T-480, OLD RTE 99 is owned and maintained by Town/Township Highway Agency.
How old is T-480, OLD RTE 99 and does age affect safety?
T-480, OLD RTE 99 was built in 1913, making it 113 years old and last reconstructed in 1941.
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.
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.