FHWA NBI 2024 Inspection record Public-domain dataset

NORTH STATE ST

Carrying NORTH STATE ST over SILVER LAKE

DOVER, Kent, Delaware

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
39 t Inventory load rating

Bridge Snapshot: NORTH STATE ST

The NORTH STATE ST bridge in Kent, Delaware carries NORTH STATE ST over SILVER LAKE. It was built in 1937, making it 89 years old today. The structure is built primarily of concrete and spans 3 sections, stretching 29.6 meters (97 feet) end to end. Daily traffic averages 13,040 vehicles, placing it in the heavily-trafficked tier of Delaware bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show superstructure at 7/9, substructure at 7/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 38.6 metric tons.

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

How NORTH STATE ST compares

▼ 0.9
Load rating vs Delaware average (39.5 t)
Top 45%
Higher load rating than 55% of Delaware bridges
192
Bridges in Kent · 3 in Poor condition
NORTH STATE ST 38.6 t
Delaware average 39.5 t

Live comparison across Delaware.

Historical Sufficiency Rating

PlainBridge-computed
73.3 / 100 - historical 50–79.9 band
Structural adequacy /55
55.0
Serviceability /30
11.0
Essentiality /15
10.3
Special reductions
−3.0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
38.6 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1937
Material
Concrete
Number of Spans
3
Structure Length
29.6 m (97 ft)
Deck Width
18.3 m (60 ft)
Owner
State Highway Agency
Avg Daily Traffic
13,040 vehicles/day
Structure Number
2003C003

Condition Analysis

  • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.

How to read this record

This page shows what the last federal inspection recorded, not whether NORTH STATE 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 NORTH STATE ST against other structures in Kent and across Delaware. Delaware 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 NORTH STATE ST?

NORTH STATE ST in Kent, Delaware, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is NORTH STATE ST inspected?

NORTH STATE 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 13,040 vehicles per day.

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

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

What is the inventory load rating for NORTH STATE ST?

NORTH STATE ST has an NBI inventory load rating of 38.6 metric tons.

Who is responsible for maintaining NORTH STATE ST?

NORTH STATE ST is owned and maintained by State Highway Agency.

How old is NORTH STATE ST and does age affect safety?

NORTH STATE ST was built in 1937, making it 89 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.