FHWA NBI 2024 Inspection record Public-domain dataset

TWILLEYS BRIDGE RD

Carrying TWILLEYS BRIDGE RD over NASSAWANGO CREEK

3 MI S OF MD RTE 350, Wicomico, Maryland

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
21 t Inventory load rating

Bridge Snapshot: TWILLEYS BRIDGE RD

The TWILLEYS BRIDGE RD bridge in Wicomico, Maryland carries TWILLEYS BRIDGE RD over NASSAWANGO CREEK. It was built in 1951, making it 75 years old today. The structure is built primarily of wood or timber and spans 6 sections, stretching 24.2 meters (79 feet) end to end. Daily traffic averages 59 vehicles, placing it in the lower-traffic tier of Maryland bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 4/9, superstructure at 4/9, substructure at 4/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed. Its NBI inventory load rating is 20.9 metric tons.

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

How TWILLEYS BRIDGE RD compares

▼ 30.2
Load rating vs Maryland average (51.1 t)
Bottom 4%
Lower load rating than 96% of Maryland bridges
100
Bridges in Wicomico · 6 in Poor condition
TWILLEYS BRIDGE RD 20.9 t
Maryland average 51.1 t

Live comparison across Maryland.

Historical Sufficiency Rating

PlainBridge-computed
43.5 / 100 - historical 20–49.9 band
Structural adequacy /55
17.3
Serviceability /30
11.3
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 How the historical reference is calculated.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
4/9
Poor (1–4)
Superstructure
4/9
Poor (1–4)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
20.9 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1951
Material
Wood or Timber
Number of Spans
6
Structure Length
24.2 m (79 ft)
Deck Width
4.7 m (15 ft)
Owner
County Highway Agency
Avg Daily Traffic
59 vehicles/day
Structure Number
200000WI2441010

Condition Analysis

  • The deck (driving surface) is in poor condition (4/9), showing advanced deterioration that may require priority repair.
  • The superstructure (beams and supports above the deck) is in poor condition (4/9), showing advanced deterioration that may require priority repair.
  • The substructure (piers and abutments) is in poor condition (4/9), showing advanced deterioration that may require priority repair.

How to read this record

TWILLEYS BRIDGE RD is in the federal Poor condition category. That is a component-based result, not a closure order.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
  • Compare TWILLEYS BRIDGE RD against other structures in Wicomico and across Maryland. Maryland 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 TWILLEYS BRIDGE RD?

TWILLEYS BRIDGE RD in Wicomico, Maryland has a deck rating of 4/9, superstructure rating of 4/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is TWILLEYS BRIDGE RD inspected?

TWILLEYS BRIDGE 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 59 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. TWILLEYS BRIDGE RD is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for TWILLEYS BRIDGE RD?

TWILLEYS BRIDGE RD has an NBI inventory load rating of 20.9 metric tons.

Who is responsible for maintaining TWILLEYS BRIDGE RD?

TWILLEYS BRIDGE RD is owned and maintained by County Highway Agency.

How old is TWILLEYS BRIDGE RD and does age affect safety?

TWILLEYS BRIDGE RD was built in 1951, making it 75 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.