Total Bridges
5,527
Public highway bridges in Maryland
State profile · Below national median SD
Condition ratings, load ratings, and structural-deficiency data for every public highway bridge in Maryland — drawn straight from the FHWA National Bridge Inventory.
Total Bridges
5,527
Public highway bridges in Maryland
Good Condition
25.9%
1,432 bridges rated 7-9
-24.1pp vs 50% benchmark
Poor Condition
4.3%
236 bridges rated 0-4
Structurally Deficient
4.3%
236 bridges flagged for repair priority
-2.7pp vs national avg 7.0%
Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).
Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.
Adjacent states on the structurally deficient leaderboard (lower share = better)
States are ranked by share of bridges flagged structurally deficient — the FHWA classification for any span where deck, superstructure, or substructure carries a condition rating of 4 or below. Lower percentages indicate stronger maintenance funding and inspection follow-through. States here sit immediately above and below Maryland on the same metric.
09
47
24
08
41
Six lowest-condition bridges in Maryland, ranked by composite NBI rating. Each is inspected at least every 24 months.
Over: BEAR CREEK
0.01 MI N OF WALNUT ST, Garrett, MD
Over: HAWLINGS RIVER
2.8 MILES NORTH OF MD 108, Montgomery, MD
Over: BEAVER CREEK
0.1 MI W OF ALT US RTE 40, Washington, MD
Over: WATERSPOUT RUN
2.63 MI. WEST MD 25, Baltimore, MD
Over: CSX RAILROAD
0.1 MI NW OF US RTE 40, Baltimore, MD
Over: LITTLE PATUXENT RIVER
0.5 MI W OF US RTE 29, Howard, MD
Over: SOUTH BRANCH BEAR CREEK
.44 MILE NORTH OF MD 826P, Garrett, MD
Over: ROCK BRANCH
0.48 MI S OF TANYARD RD, Prince George's, MD
Over: KNAPPS NARROWS
0.91 M W OF BENDERS LANE, Talbot, MD
Over: WETIPQUIN CREEK
0.5 MI NW DEEP BRANCH RD, Wicomico, MD
Over: HIGHWAY DRAINAGE
0.41 M E OF CONNELLY RD, Talbot, MD
Over: FIFTEEN MILE CREEK
0.01 MI. E. OF APPEL RD, Allegany, MD
Over: BRANCH OF GEORGES CREEK
0.21 MILE NORTH OF MD 939, Allegany, MD
Over: BIRD RIVER ROAD
0.939 MILE EAST OF US 40, Baltimore, MD
Over: I95/ I695 (INTERCHANGE)
I695 I95 Interchange, Baltimore, MD
Over: MILL CREEK
2 MI SOUTH OF US 40, Cecil, MD
Over: HAMMONDS BRANCH
0.1 MI S LOCH LEVEN CT, Howard, MD
Over: SLIGO CR PKWY & SLIGO CR
0.5 MILE NORTH OF MD 410, Montgomery, MD
Over: LONG DRAUGHT BRANCH
1.66 MILE NORTH OF MD 124, Montgomery, MD
Over: I-95
MD200 Pass over I95, Prince George's, MD
Over: CSX TRANSPORTATION
0.78 MI N OF IS 895, Baltimore, MD
Over: PATAPSCO RIVER
BETWEEN LANCASTER & DOCK, Baltimore city, MD
Over: NEALE SOUND
1.09 MILE SOUTH OF MD 257, Charles, MD
Over: TRIBUTARY TO OWL BRANCH
0.45 MI W OF IS 83, Baltimore, MD
Over: PATAPSCO RIVER
0.7 MI S HANOVER ST, Baltimore city, MD
Over: RAMP L TO ODONNELL ST
MILEPOST 57.5, Baltimore city, MD
Over: NORTHEAST CREEK
0.95 MI N OF MD 274, Cecil, MD
Over: MIDDLE PATUXENT RIVER
0.04 MI N BERGER RD, Howard, MD
Over: MD-200 & Ramps SW & EN
0.18 Mi. West of US 29, Montgomery, MD
Over: BEAR BRANCH
0.2 MI EAST OF US 1 NB, Prince George's, MD
Over: TRIBUTARY TO NORTHEAST B
1.43 MILES EAST OF MD193, Prince George's, MD
Over: STREAM
AT 53RD PLACE, Prince George's, MD
Over: WINDMILL BRANCH
850 FEET EAST OF US 50, Talbot, MD
Over: NORFOLK SOUTHERN RR
0.39 MILE NORTH OF MD 346, Wicomico, MD
Over: MOORES RUN
0.48 MI S OF MD 935, Allegany, MD
Over: LOCH RAVEN RESERVOIR
0.9 MI N PROVIDENCE RD, Baltimore, MD
Over: MARSHYHOPE CREEK
0.3 MI NW OF DELAWARE LIN, Caroline, MD
Over: ROCK CREEK
AT BEACH DRIVE, Montgomery, MD
Over: Duvall Mill Millrace
Central/NorthTractBoundry, Anne Arundel, MD
Over: LEEDS AVE & HERBERT RUN
0.92 MI N OF I-95, Baltimore, MD
Over: WINDLASS RUN
1.587 MILE EAST OF US 40, Baltimore, MD
Over: THIRD MINE BRANCH
1.85 MILES SW OF MD 439, Baltimore, MD
Over: CHOPTANK RIVER
1.07 MI W OF DELAWARE LN, Caroline, MD
Over: PINEY RUN
AT MARRIOTTSVILLE ROAD, Carroll, MD
Over: GEORGE'S RUN
0.1 MILE EAST OF MD 30, Carroll, MD
Over: MATTAWOMAN CREEK
PRINCE GEORGE'S CO LINE, Charles, MD
Over: MATTAWOMAN CREEK
PRINCE GEORGE'S CO LINE, Charles, MD
Over: MONOCACY RIVER
0.4 MILES S OF MD 26, Frederick, MD
Over: DRY SENECA CREEK
1.1 M N OF RIVER RD, Montgomery, MD
Over: UNICORN BRANCH
1.1 MI NORTH OF MD 300, Queen Anne's, MD
Over: ISRAEL CREEK
0.25 MI W OF MD RTE 67, Washington, MD
Over: TRIBUTARY TO NORRIS RUN
0.5 MI E OF NICODEMUS RD, Baltimore, MD
Over: NORTH BRANCH
0.518 MI N OF MD 831F, Allegany, MD
Over: WASH. BLVD & GWYNNS FALL
I95 AT WASH BLVD, Baltimore city, MD
Over: PRINCIPIO CREEK
1.32 MILES S OF MD 274, Cecil, MD
Over: BYNUM RUN
0.6 MILES W OF MD 543, Harford, MD
Showing 4,101-4,150 of 5,527 bridges
Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the FHWA National Bridge Inventory (NBI). A "structurally deficient" rating is a repair-priority signal, not a closure or unsafe-to-cross designation. Consult a qualified civil engineer before making decisions based on this data.
Understanding Bridge Conditions
How FHWA rates bridge condition on a 0-9 scale.
Check Your Daily Bridges
How to look up bridge condition data for bridges on your route.
Read our methodology — how this data is sourced, computed, and verified.
| Publisher | Kiznis Studio |
| Sources | FHWA National Bridge Inventory, public U.S. government datasets |