FHWA NBI 2024 Inspection record Public-domain dataset

4TH STREET

Carrying 4TH STREET over AMTRAK

.3 Mi S of Main St 3698K4, Delaware, Pennsylvania

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
38 t Inventory load rating

Bridge Snapshot: 4TH STREET

The 4TH STREET bridge in Delaware, Pennsylvania carries 4TH STREET over AMTRAK. It was built in 1984, making it 42 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 30.5 meters (100 feet) end to end. Daily traffic averages 2,350 vehicles, placing it in the moderately-trafficked 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 7/9, substructure at 6/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition 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 4TH STREET compares

▼ 1.2
Load rating vs Pennsylvania average (39.3 t)
Top 50%
Higher load rating than 50% of Pennsylvania bridges
269
Bridges in Delaware · 27 in Poor condition
4TH STREET 38.1 t
Pennsylvania average 39.3 t

Live comparison across Pennsylvania.

Historical Sufficiency Rating

PlainBridge-computed
87.4 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
19.6
Essentiality /15
14.7
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 How the historical reference is calculated.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
7/9
Good (7–9)
Substructure
6/9
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
1984
Material
Prestressed Concrete
Number of Spans
1
Structure Length
30.5 m (100 ft)
Deck Width
12.8 m (42 ft)
Owner
Town/Township Highway Agency
Avg Daily Traffic
2,350 vehicles/day
Structure Number
000000000015454

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

This page shows what the last federal inspection recorded, not whether 4TH 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 4TH STREET against other structures in Delaware 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 4TH STREET?

4TH STREET in Delaware, Pennsylvania has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is 4TH STREET inspected?

4TH 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 2,350 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. 4TH 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 4TH STREET?

4TH STREET has an NBI inventory load rating of 38.1 metric tons.

Who is responsible for maintaining 4TH STREET?

4TH STREET is owned and maintained by Town/Township Highway Agency.

How old is 4TH STREET and does age affect safety?

4TH STREET was built in 1984, making it 42 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.