MACLAY ST. /TURNBK
Carrying MACLAY ST. /TURNBK over Norfolk Southern RR
MACLAY ST IN HARRISBURG, Dauphin, Pennsylvania
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: MACLAY ST. /TURNBK
The MACLAY ST. /TURNBK bridge in Dauphin, Pennsylvania carries MACLAY ST. /TURNBK over Norfolk Southern RR. It was built in 1940, making it 86 years old today. The structure is built primarily of steel and spans 7 sections, stretching 147.2 meters (483 feet) end to end. Daily traffic averages 2,000 vehicles, placing it in the moderately-trafficked tier of Pennsylvania bridges. It is owned and maintained by Railroad.
The latest FHWA inspection records show a deck rating of 6/9, superstructure at 4/9, substructure at 4/9. 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. Its NBI inventory load rating is 29.9 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How MACLAY ST. /TURNBK 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 How the historical reference is calculated.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
- 1940
- Material
- Steel
- Number of Spans
- 7
- Structure Length
- 147.2 m (483 ft)
- Deck Width
- 19.4 m (64 ft)
- Owner
- Railroad
- Avg Daily Traffic
- 2,000 vehicles/day
- Structure Number
- 000000000014558
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
- • The superstructure (beams and supports above the deck) rates poor at 4/9, advanced deterioration that should be prioritized for repair.
- • The substructure (piers and abutments) is in poor condition (4/9), showing advanced deterioration that may require priority repair.
How to read this record
MACLAY ST. /TURNBK 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 MACLAY ST. /TURNBK against other structures in Dauphin 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 MACLAY ST. /TURNBK?
MACLAY ST. /TURNBK in Dauphin, Pennsylvania has a deck rating of 6/9, superstructure rating of 4/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.
How often is MACLAY ST. /TURNBK inspected?
MACLAY ST. /TURNBK'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 2,000 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. MACLAY ST. /TURNBK 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 MACLAY ST. /TURNBK?
MACLAY ST. /TURNBK has an NBI inventory load rating of 29.9 metric tons.
Who is responsible for maintaining MACLAY ST. /TURNBK?
MACLAY ST. /TURNBK is owned and maintained by Railroad.
How old is MACLAY ST. /TURNBK and does age affect safety?
MACLAY ST. /TURNBK 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.
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.