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: CSX RAILROAD
0.67 MI S OF IS 95, Cecil, MD
Over: ZEKIAH SWAMP
0.44 MILE SOUTH OF MD 488, Charles, MD
Over: WARDS RUN
0.34 M W OF HILLTOP ROAD, Charles, MD
Over: HONGA RIVER
4.41 MI S OF MD RTE 335, Dorchester, MD
Over: BLACKWATER RIVER
13.34 MILES S. OF MD. 16, Dorchester, MD
Over: LITTLE TUSCARORA CREEK
0.1 MI N WALTER MARTZ RD, Frederick, MD
Over: MONOCACY RIVER
0.6 MI W OF DUBLIN RD, Frederick, MD
Over: STREAM
0.15 MILES FROM MD ROUTE, Frederick, MD
Over: SOUTH BRANCH OF BEAR CRE
0.43 MI SE ACC BEAR CR RD, Garrett, MD
Over: BEALMEAR BRANCH
0.46 MILE NORTH OF MD 100, Howard, MD
Over: SASSAFRAS RIVER
ON CECIL COUNTY LINE, Kent, MD
Over: SWAN CREEK
2.60 MILES SOUTH OF MD 21, Kent, MD
Over: BUCKHORN BR
1.345 M S OF MD 28, Montgomery, MD
Over: CSXT RR & WMATA METRO
0.1 MI EAST OF MD 355, Montgomery, MD
Over: ROCK CREEK
0.5 MI S OF JCT SR 547, Montgomery, MD
Over: TRIB TO LITTLE PAINT BR
0.36 MI N OF MD 212, Prince George's, MD
Over: TRIB TO SOUTHWEST BRANCH
0.2 MI NORTH OF MD 214, Prince George's, MD
Over: WESTERN BRANCH
1 MI E OF MD 202, Prince George's, MD
Over: PISCATAWAY CREEK
0.12 MI N OF FLORAL PK DR, Prince George's, MD
Over: TINKERS CREEK
0.94 MI W OF MD 223, Prince George's, MD
Over: BACK CREEK
1 MI N OF MANOKIN ROAD, Somerset, MD
Over: ST MARYS RIVER
0.36 MILE NORTH OF MD 5, St. Mary's, MD
Over: HORSE LANDING CREEK
2 MI E OF MD RTE 6, St. Mary's, MD
Over: POTTS MILL CREEK
2.05 MILES SOUTH OF US 50, Talbot, MD
Over: BEAVER CREEK
0.20 MILE NORTH OF MD 64, Washington, MD
Over: CREEK RD
1.0 MILE WEST OF IS 70, Washington, MD
Over: AYDELOTTE BRANCH
0.77 MILE NORTH OF MD 346, Wicomico, MD
Over: BURNT MILL BRANCH
1.2 MI E OF MD 353, Wicomico, MD
Over: PATTYS BRANCH
0.09 MILE EAST OF US 113, Worcester, MD
Over: BRANCH OF MARLEY CREEK
1.48 MI S OF MD 648E, Anne Arundel, MD
Over: VETERANS HIGHWAY
IS 97 INTER W/NEW CUT RD, Anne Arundel, MD
Over: TRIB TO PATUXENT RIVER
750 FT W OF BROCK BR ROAD, Anne Arundel, MD
Over: GUNPOWDER FALLS
1.92 M N OF MD 137, Baltimore, MD
Over: NORTHEAST CREEK
0.10 MILE WEST OF MD 695, Baltimore, MD
Over: BEAVER DAM RUN
0.1 MI N COCKEYSVILLE RD, Baltimore, MD
Over: TRIBUTARY TO DEAD RUN
0.06 MI S OF CHESWORTH RD, Baltimore, MD
Over: AMTRAK
Milepost M2.0, Baltimore, MD
Over: HARFORD RUN
LANCASTER & ALICEANNA ST., Baltimore city, MD
Over: PATAPSCO RIVER
1.3 MI S OF IS 95, Baltimore city, MD
Over: MIDDLE BRANCH, MTA, CSX
Milepost 0.8, Baltimore city, MD
Over: HAMBURG ST
Milepost 1.4, Baltimore city, MD
Over: CHEMICAL ROAD
0.02 MI N OF MD RTE 173, Baltimore city, MD
Over: BR OF BIG PIPE CREEK
3.03 MI E OF MD 97, Carroll, MD
Over: WEST BR PATAPSCO RIVER
0.8 MI W OF GORSUCH ROAD, Carroll, MD
Over: ZEKIAH SWAMP
0.54 MILE SOUTH OF MD 488, Charles, MD
Over: MONOCACY RIVER
1 MI N OF MD RTE 28, Frederick, MD
Over: OWENS CREEK
1.8 MI E OF MD 550, Frederick, MD
Over: MIDDLE CREEK
1.12 MI E OF EMMITSBURG, Frederick, MD
Over: N BR OF CASSLEMAN RIVER
1.98 M S OF NORTH PARK RD, Garrett, MD
Over: BUSH CREEK
3.24 MILES EAST OF MD 24, Harford, MD
Showing 2,301-2,350 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 |