WB COUNTY LINE EXP
Carrying WB COUNTY LINE EXP over NORTH GULPH ROAD
VALLEY FORGE 27J12/3366D5, Montgomery, Pennsylvania
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
WB COUNTY LINE EXP in Montgomery, Pennsylvania sits above 13% of rated Pennsylvania bridges on inventory load rating (25 t), while its 1966 build year is earlier than 54% of Montgomery's recorded-year cohort (825 bridges).
WB COUNTY LINE EXP in Montgomery, Pennsylvania is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1966, 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:000000000027453
INTERSTATE-ERA · PRESTRESS · MULTI-SPAN · SUPER-LED · HEAVY-ADT · STANDARD-LOAD · CAT-POOR
- INTERSTATE-ERA 1950–1979
- PRESTRESS Prestressed concrete
- MULTI-SPAN 3 spans
- SUPER-LED Superstructure-led
- HEAVY-ADT Heavy ADT
- STANDARD-LOAD Standard 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: WB COUNTY LINE EXP
The WB COUNTY LINE EXP bridge in Montgomery, Pennsylvania carries WB COUNTY LINE EXP over NORTH GULPH ROAD. It was built in 1966, making it 60 years old today. The structure is built primarily of prestressed concrete and spans 3 sections, stretching 64.0 meters (210 feet) end to end. Daily traffic averages 44,235 vehicles, placing it in the heavily-trafficked tier of Pennsylvania bridges. It is owned and maintained by State Highway Agency.
The latest FHWA inspection records show a deck rating of 6/9, superstructure at 4/9, substructure at 6/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order.
How WB COUNTY LINE EXP compares
Age against the county: built in 1966, earlier than 449 of Montgomery's 825 bridges with a recorded construction year (54%), against a county median build year of 1970. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across Pennsylvania bridges with a recorded inventory load rating (23,297 of 23,299 rated).
WB COUNTY LINE EXP vs every rated Pennsylvania bridge
Inventory load rating (metric tons), FHWA NBI, this state
25 Top 87% higher than 13% 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.
Montgomery inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 828 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
- 1966
- Material
- Prestressed Concrete
- Number of Spans
- 3
- Structure Length
- 64.0 m (210 ft)
- Deck Width
- 15.1 m (50 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 44,235 vehicles/day
- Structure Number
- 000000000027453
Condition Analysis
- • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
- • At 4/9, the superstructure (beams and supports above the deck) is in poor shape, with advanced wear on file for this vintage.
- • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
WB COUNTY LINE EXP 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 WB COUNTY LINE EXP against other structures in Montgomery 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 WB COUNTY LINE EXP?
WB COUNTY LINE EXP in Montgomery, Pennsylvania has a deck rating of 6/9, superstructure rating of 4/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.
How often is WB COUNTY LINE EXP inspected?
WB COUNTY LINE EXP'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 44,235 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. WB COUNTY LINE EXP 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 WB COUNTY LINE EXP?
WB COUNTY LINE EXP has an NBI inventory load rating of 25.4 metric tons.
Who is responsible for maintaining WB COUNTY LINE EXP?
WB COUNTY LINE EXP is owned and maintained by State Highway Agency.
How old is WB COUNTY LINE EXP and does age affect safety?
WB COUNTY LINE EXP was built in 1966, making it 60 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.