FHWA NBI 2024 Inspection record Public-domain dataset

SYCAMORE STREET

Carrying SYCAMORE STREET over AMTRAK & NSRC

CITY OF HARRISBRG/AMTRAK, Dauphin, Pennsylvania

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
38 t Inventory load rating

Bridge Snapshot: SYCAMORE STREET

The SYCAMORE STREET bridge in Dauphin, Pennsylvania carries SYCAMORE STREET over AMTRAK & NSRC. It was built in 1977, making it 49 years old today. The structure is built primarily of steel continuous and spans 4 sections, stretching 83.5 meters (274 feet) end to end. Daily traffic averages 4,000 vehicles, placing it in the moderately-trafficked tier of Pennsylvania bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 6/9, substructure at 5/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 38.1 metric tons.

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

How SYCAMORE STREET compares

▼ 1.2
Load rating vs Pennsylvania average (39.3 t)
Top 50%
Higher load rating than 50% of Pennsylvania bridges
283
Bridges in Dauphin · 19 in Poor condition
SYCAMORE STREET 38.1 t
Pennsylvania average 39.3 t

Live comparison across Pennsylvania.

Historical Sufficiency Rating

PlainBridge-computed
66.4 / 100 - historical 50–79.9 band
Structural adequacy /55
45.0
Serviceability /30
8.0
Essentiality /15
14.4
Special reductions
−1.0

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 How the historical reference is calculated.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
5/9
Fair (5–6)
Inventory Load Rating
38.1 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1977
Material
Steel Continuous
Number of Spans
4
Structure Length
83.5 m (274 ft)
Deck Width
11.9 m (39 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
4,000 vehicles/day
Structure Number
000000000014745

Condition Analysis

  • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • The substructure (piers and abutments) is in fair condition (5/9), with minor deterioration that may require routine maintenance.

How to read this record

This page shows what the last federal inspection recorded, not whether SYCAMORE STREET is safe to cross today. Here is how to use it.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Learn how the 0–9 condition scale and Good/Fair/Poor categories are defined. How condition ratings work
  • Compare SYCAMORE STREET 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 SYCAMORE STREET?

SYCAMORE STREET in Dauphin, Pennsylvania has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is SYCAMORE STREET inspected?

SYCAMORE STREET'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 4,000 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SYCAMORE STREET is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for SYCAMORE STREET?

SYCAMORE STREET has an NBI inventory load rating of 38.1 metric tons.

Who is responsible for maintaining SYCAMORE STREET?

SYCAMORE STREET is owned and maintained by City/Municipal Highway Agency.

How old is SYCAMORE STREET and does age affect safety?

SYCAMORE STREET was built in 1977, making it 49 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.