US301 SB
Carrying US301 SB over TRIB TO SANDY BRANCH
WEST OF MIDDLETOWN, New Castle, Delaware
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: US301 SB
The US301 SB bridge in New Castle, Delaware carries US301 SB over TRIB TO SANDY BRANCH. It was built in 2018, making it 8 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 46.1 meters (151 feet) end to end. Daily traffic averages 5,811 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 a deck rating of 8/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 41.5 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How US301 SB compares
Live comparison across Delaware.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 2018
- Material
- Prestressed Concrete
- Number of Spans
- 1
- Structure Length
- 46.1 m (151 ft)
- Deck Width
- 16.1 m (53 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 5,811 vehicles/day
- Structure Number
- 1477S084
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) is in good condition (8/9), showing no significant deterioration.
- • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
- • At 7/9, the substructure (piers and abutments) is in good shape and shows no significant wear.
How to read this record
This page shows what the last federal inspection recorded, not whether US301 SB 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 US301 SB against other structures in New Castle 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 US301 SB?
US301 SB in New Castle, Delaware has a deck rating of 8/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.
How often is US301 SB inspected?
US301 SB'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 5,811 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. US301 SB 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 US301 SB?
US301 SB has an NBI inventory load rating of 41.5 metric tons.
Who is responsible for maintaining US301 SB?
US301 SB is owned and maintained by State Highway Agency.
How old is US301 SB and does age affect safety?
US301 SB was built in 2018, making it 8 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.
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.