FHWA NBI 2024 Inspection record Public-domain dataset

SOUTH STATE ST

Carrying SOUTH STATE ST over TIDBURY BRANCH

SOUTH OF DOVER, Kent, Delaware

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
44 t Inventory load rating

Bridge Snapshot: SOUTH STATE ST

The SOUTH STATE ST bridge in Kent, Delaware carries SOUTH STATE ST over TIDBURY BRANCH. It was built in 1919, making it 107 years old today. It was last reconstructed in 1958, extending its service life. The structure is built primarily of concrete and spans 1 section, stretching 9.8 meters (32 feet) end to end. Daily traffic averages 9,355 vehicles, placing it in the moderately-trafficked tier of Delaware bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show 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 43.7 metric tons.

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

How SOUTH STATE ST compares

▲ 4.2
Load rating vs Delaware average (39.5 t)
Top 30%
Higher load rating than 70% of Delaware bridges
192
Bridges in Kent · 3 in Poor condition
SOUTH STATE ST 43.7 t
Delaware average 39.5 t

Live comparison across Delaware.

Historical Sufficiency Rating

PlainBridge-computed
85.5 / 100 - historical 80–100 band
Structural adequacy /55
45.0
Serviceability /30
29.0
Essentiality /15
14.5
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
43.7 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1919
Last Reconstructed
1958
Material
Concrete
Number of Spans
1
Structure Length
9.8 m (32 ft)
Deck Width
15.9 m (52 ft)
Owner
State Highway Agency
Avg Daily Traffic
9,355 vehicles/day
Structure Number
2027A027

Condition Analysis

  • The superstructure (beams and supports above the deck) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • 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 SOUTH 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 SOUTH 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 SOUTH STATE ST?

SOUTH STATE ST in Kent, Delaware, superstructure rating of 6/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is SOUTH STATE ST inspected?

SOUTH 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 9,355 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SOUTH STATE 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 SOUTH STATE ST?

SOUTH STATE ST has an NBI inventory load rating of 43.7 metric tons.

Who is responsible for maintaining SOUTH STATE ST?

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

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

SOUTH STATE ST was built in 1919, making it 107 years old and last reconstructed in 1958.

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.