FHWA NBI 2024 Inspection record Public-domain dataset

LITTLE MARKET ST

Carrying LITTLE MARKET ST over AMTRAK

30TH;MARKET ST 3590A08, Philadelphia, Pennsylvania

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
40 t Inventory load rating

Bridge Snapshot: LITTLE MARKET ST

The LITTLE MARKET ST bridge in Philadelphia, Pennsylvania carries LITTLE MARKET ST over AMTRAK. It was built in 1932, making it 94 years old today. The structure is built primarily of steel and spans 23 sections, stretching 192.9 meters (633 feet) end to end. Daily traffic averages 19,991 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 6/9, substructure at 5/9. 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 39.9 metric tons.

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

How LITTLE MARKET ST compares

▲ 0.6
Load rating vs Pennsylvania average (39.3 t)
Top 42%
Higher load rating than 58% of Pennsylvania bridges
584
Bridges in Philadelphia · 64 in Poor condition
LITTLE MARKET ST 39.9 t
Pennsylvania average 39.3 t

Live comparison across Pennsylvania.

Historical Sufficiency Rating

PlainBridge-computed
79.3 / 100 - historical 50–79.9 band
Structural adequacy /55
45.0
Serviceability /30
25.0
Essentiality /15
9.3
Special reductions
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 How the historical reference is calculated.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
39.9 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1932
Material
Steel
Number of Spans
23
Structure Length
192.9 m (633 ft)
Deck Width
28.3 m (93 ft)
Owner
State Highway Agency
Avg Daily Traffic
19,991 vehicles/day
Structure Number
000000000039005

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) rates fair at 5/9, minor deterioration that routine maintenance should address.

How to read this record

This page shows what the last federal inspection recorded, not whether LITTLE MARKET ST 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 LITTLE MARKET ST against other structures in Philadelphia 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 LITTLE MARKET ST?

LITTLE MARKET ST in Philadelphia, 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 LITTLE MARKET ST inspected?

LITTLE MARKET ST'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 19,991 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. LITTLE MARKET ST 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 LITTLE MARKET ST?

LITTLE MARKET ST has an NBI inventory load rating of 39.9 metric tons.

Who is responsible for maintaining LITTLE MARKET ST?

LITTLE MARKET ST is owned and maintained by State Highway Agency.

How old is LITTLE MARKET ST and does age affect safety?

LITTLE MARKET ST was built in 1932, making it 94 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.