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: MIDWAY BRANCH
0.16 MI. E TAYLOR AVE, Anne Arundel, MD
Over: TRIBUTARY TO HERRING RUN
0.14 MI SE OF MD 41, Baltimore, MD
Over: BRANCH OF MORGAN RUN
0.93 MI EAST OF MD 27, Carroll, MD
Over: BR OF BIG ELK CREEK
0.56 MILE NORTH OF MD 279, Cecil, MD
Over: CHOPTANK RIVER
ON TALBOT CO LINE, Dorchester, MD
Over: OWENS CREEK
0.3 MI S OF MD RTE 77, Frederick, MD
Over: YOUGHIOGHENY RIVER
0.11 MILE NORTH OF MD 742, Garrett, MD
Over: BROAD CREEK
1.15 MILES N OF MD 165, Harford, MD
Over: FANNEL BRANCH
0.85 MILE EAST OF MD 446, Kent, MD
Over: BROWNS BRANCH
0.47 MILE NORTH OF MD 19, Queen Anne's, MD
Over: BEAVER CREEK
0.11 MILE WEST OF MD 66, Washington, MD
Over: N BRANCH POTOMAC RIVER
ON WEST VIRGINIA LINE, Allegany, MD
Over: HERBERT RUN
0.49 MI S OF MD 644A, Baltimore, MD
Over: HERRING RUN
0.2 MI S OF PERRING PKWY, Baltimore, MD
Over: LONG GREEN CREEK
0.5 M W OF LONG GREEN PKE, Baltimore, MD
Over: DEAD RUN
250 FT W DOGWOOD RD, Baltimore, MD
Over: PRETTYBOY RESERVOIR
3 MI W MIDDLETOWN RD, Baltimore, MD
Over: MILL RUN
0.053 M N OF MILL RUN RD, Charles, MD
Over: LAUREL RUN
0.8 M S OF RED OAK ROAD, Garrett, MD
Over: MILL POND CREEK
0.80 MILE SOUTH OF MD 20, Kent, MD
Over: CHESTER RIVER
ON QUEEN ANNES CO LINE, Kent, MD
Over: STREAM
0.06 MI W OF 54TH PLACE, Prince George's, MD
Over: CONOCOCHEAGUE CREEK
1.92 MILES EAST OF MD 57, Washington, MD
Over: LITTLE BEAVER CREEK
2.06 MILES WEST OF MD 68, Washington, MD
Over: ANTIETAM CREEK
0.83 MI SW OF MD RTE 34, Washington, MD
Over: WICOMICO RIVER
0.03 MI E OF SMALL ST, Wicomico, MD
Over: WICOMICO RIVER
0.484 MILE W OF US 13BU, Wicomico, MD
Over: NASSAWANGO CREEK
4.57 MILES N OF MD 354, Worcester, MD
Over: ST MARTIN RIVER
2.8 MILES EAST OF MD 589, Worcester, MD
Over: BEAR CREEK
MILEPOST M46.2, Baltimore, MD
Over: CABIN BRANCH
MD 2/MD 695 INTERCHANGE, Anne Arundel, MD
Over: LOWER LEVEL ROADWAY
BWI AIRPORT, Anne Arundel, MD
Over: SPRING BRANCH
0.5 MI S OF TIMONIUM RD, Baltimore, MD
Over: AMTRAK RAILROAD
0.5 M E OF FULTON AV, Baltimore city, MD
Over: WATTS CREEK
1 MI SE OF DENTON, Caroline, MD
Over: PERCH CREEK
2.14 MILES SOUTH OF US 40, Cecil, MD
Over: BRANCH OF OCTORARO CREEK
0.07 MI N OF US 1, Cecil, MD
Over: PORT TOBACCO CREEK
1.85 MILES WEST OF US 301, Charles, MD
Over: NANTICOKE RIVER
ON WICOMICO CO LINE, Dorchester, MD
Over: LITTLE HUNTING CREEK
AT BLACKS MILL RD INT, Frederick, MD
Over: ISLAND BRANCH
0.2 MILES S OF AMOSS ML R, Harford, MD
Over: REDDY BRANCH
2.89 MILES S OF MD 650, Montgomery, MD
Over: WHETSTONE RUN
0.2 MI NORTH OF MD 355, Montgomery, MD
Over: KINGS CREEK
2 MI S OF PRINCESS ANNE, Somerset, MD
Over: MOLL DYERS RUN
1.26 MILES S OF MD 244, St. Mary's, MD
Over: QUANTICO CREEK
1.02 MILES N OF MD 349, Wicomico, MD
Over: TIMMONSTOWN BRANCH
0.40 MI NW OF MD 374, Worcester, MD
Over: MILL RUN
1.88 MI S OF MD 830B, Allegany, MD
Over: HANOVER ROAD
0.43 M N OF BR NO 0202100, Anne Arundel, MD
Over: HANOVER ROAD
0.43 M N OF BR NO 0202100, Anne Arundel, MD
Showing 1,451-1,500 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 |