FHWA NBI 2024 Inspection record Public-domain dataset

T-966 WISSLER RD

Carrying T-966 WISSLER RD over MIDDLE CREEK

1 MILE SW OF SR 322, Lancaster, Pennsylvania

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
40 t Inventory load rating

Bridge Snapshot: T-966 WISSLER RD

The T-966 WISSLER RD bridge in Lancaster, Pennsylvania carries T-966 WISSLER RD over MIDDLE CREEK. It was built in 1940, making it 86 years old today. The structure is built primarily of steel and spans 1 section, stretching 10.4 meters (34 feet) end to end. Daily traffic averages 105 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 6/9, superstructure at 6/9, substructure at 4/9. 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 39.9 metric tons.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How T-966 WISSLER RD compares

▲ 0.6
Load rating vs Pennsylvania average (39.3 t)
Top 42%
Higher load rating than 58% of Pennsylvania bridges
509
Bridges in Lancaster · 45 in Poor condition
T-966 WISSLER RD 39.9 t
Pennsylvania average 39.3 t

Live comparison across Pennsylvania.

Historical Sufficiency Rating

PlainBridge-computed
53.5 / 100 - historical 50–79.9 band
Structural adequacy /55
30.0
Serviceability /30
10.5
Essentiality /15
15.0
Special reductions
−2.0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Deck
6/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
39.9 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1940
Material
Steel
Number of Spans
1
Structure Length
10.4 m (34 ft)
Deck Width
4.7 m (15 ft)
Owner
Town/Township Highway Agency
Avg Daily Traffic
105 vehicles/day
Structure Number
000000000021863

Condition Analysis

  • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • The superstructure (beams and supports above the deck) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • The substructure (piers and abutments) is in poor condition (4/9), showing advanced deterioration that may require priority repair.

How to read this record

T-966 WISSLER RD 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-966 WISSLER RD against other structures in Lancaster 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-966 WISSLER RD?

T-966 WISSLER RD in Lancaster, Pennsylvania has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is T-966 WISSLER RD inspected?

T-966 WISSLER RD'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 105 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. T-966 WISSLER RD 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-966 WISSLER RD?

T-966 WISSLER RD has an NBI inventory load rating of 39.9 metric tons.

Who is responsible for maintaining T-966 WISSLER RD?

T-966 WISSLER RD is owned and maintained by Town/Township Highway Agency.

How old is T-966 WISSLER RD and does age affect safety?

T-966 WISSLER RD was built in 1940, making it 86 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.