MD 404 EB
Carrying MD 404 EB over WATTS CREEK
0.25 MILE WEST OF MD 16, Caroline, Maryland
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
MD 404 EB in Caroline, Maryland sits above 56% of rated Maryland bridges on inventory load rating (48 t), while its 1949 build year is earlier than 80% of Caroline's recorded-year cohort (70 bridges).
MD 404 EB in Caroline, Maryland is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1949, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 6. The lowest applicable rating sets the federal condition category, so this Fair result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.
NBI record plate
Structure MD:100000050008013
PRE-1950 · STEEL · LONG-SPAN-RUN · TIED-CTRL · HEAVY-ADT · HEAVY-LOAD · CAT-FAIR
- PRE-1950 Pre-1950
- STEEL Steel
- LONG-SPAN-RUN 4 spans
- TIED-CTRL Tied control
- HEAVY-ADT Heavy ADT
- HEAVY-LOAD Heavy load
- CAT-FAIR Fair
Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.
Bridge Snapshot: MD 404 EB
The MD 404 EB bridge in Caroline, Maryland carries MD 404 EB over WATTS CREEK. It was built in 1949, making it 77 years old today. It was last reconstructed in 1986, extending its service life. The structure is built primarily of steel and spans 4 sections, stretching 61.3 meters (201 feet) end to end. Daily traffic averages 21,772 vehicles, placing it in the heavily-trafficked tier of Maryland bridges. It is owned and maintained by State Highway Agency.
The latest FHWA inspection records show a deck rating of 6/9, superstructure at 6/9, substructure at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range.
How MD 404 EB compares
Age against the county: built in 1949, earlier than 56 of Caroline's 70 bridges with a recorded construction year (80%), against a county median build year of 1980. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across Maryland bridges with a recorded inventory load rating (5,479 of 5,484 rated).
MD 404 EB vs every rated Maryland bridge
Inventory load rating (metric tons), FHWA NBI, this state
48 Top 44% higher than 56% of 5,479 bridges
rated Maryland bridges, bucketed by value
Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source FHWA National Bridge Inventory · August 2026
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.
Caroline inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 70 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.
Structural Details
- Year Built
- 1949
- Last Reconstructed
- 1986
- Material
- Steel
- Number of Spans
- 4
- Structure Length
- 61.3 m (201 ft)
- Deck Width
- 11.8 m (39 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 21,772 vehicles/day
- Structure Number
- 100000050008013
Condition Analysis
- • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
- • The superstructure (beams and supports above the deck) rates fair at 6/9, minor deterioration that routine maintenance should address.
- • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether MD 404 EB 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 MD 404 EB against other structures in Caroline 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 MD 404 EB?
MD 404 EB in Caroline, Maryland has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.
How often is MD 404 EB inspected?
MD 404 EB'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 21,772 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. MD 404 EB 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 MD 404 EB?
MD 404 EB has an NBI inventory load rating of 47.6 metric tons.
Who is responsible for maintaining MD 404 EB?
MD 404 EB is owned and maintained by State Highway Agency.
How old is MD 404 EB and does age affect safety?
MD 404 EB was built in 1949, making it 77 years old and last reconstructed in 1986.
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.
Share this inspection record
Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.
Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.