FHWA NBI 2024 Inspection record Public-domain dataset

MAHAN CORNER RD

Carrying MAHAN CORNER RD over COW MARSH CREEK

NORTH OF SANDTOWN, Kent, Delaware

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
48 t Inventory load rating

Bridge Snapshot: MAHAN CORNER RD

The MAHAN CORNER RD bridge in Kent, Delaware carries MAHAN CORNER RD over COW MARSH CREEK. It was built in 1957, making it 69 years old today. It was last reconstructed in 2012, extending its service life. The structure is built primarily of prestressed concrete and spans 2 sections, stretching 23.8 meters (78 feet) end to end. Daily traffic averages 673 vehicles, placing it in the lower-traffic tier of Delaware bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, 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 48.0 metric tons.

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

How MAHAN CORNER RD compares

▲ 8.5
Load rating vs Delaware average (39.5 t)
Top 20%
Higher load rating than 80% of Delaware bridges
192
Bridges in Kent · 3 in Poor condition
MAHAN CORNER RD 48.0 t
Delaware average 39.5 t

Live comparison across Delaware.

Historical Sufficiency Rating

PlainBridge-computed
99.9 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
14.9
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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
48.0 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1957
Last Reconstructed
2012
Material
Prestressed Concrete
Number of Spans
2
Structure Length
23.8 m (78 ft)
Deck Width
11.1 m (36 ft)
Owner
State Highway Agency
Avg Daily Traffic
673 vehicles/day
Structure Number
2208C208

Condition Analysis

  • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
  • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether MAHAN CORNER RD 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 MAHAN CORNER RD 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 MAHAN CORNER RD?

MAHAN CORNER RD in Kent, Delaware has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is MAHAN CORNER RD inspected?

MAHAN CORNER RD'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 673 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. MAHAN CORNER RD 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 MAHAN CORNER RD?

MAHAN CORNER RD has an NBI inventory load rating of 48.0 metric tons.

Who is responsible for maintaining MAHAN CORNER RD?

MAHAN CORNER RD is owned and maintained by State Highway Agency.

How old is MAHAN CORNER RD and does age affect safety?

MAHAN CORNER RD was built in 1957, making it 69 years old and last reconstructed in 2012.

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.