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: TRIBUTARY OF ANTIETAM CR
0.2 MI N OF EAST RIDGE DR, Washington, MD
Over: WEST TRIB FLINTSTONE CRE
0.24 M W OF BR NO 0107700, Allegany, MD
Over: BURNT MILL BRANCH
600 FT N POPLAR NECK RD, Wicomico, MD
Over: EASTERN BRANCH
1.47 MILES N OF MD 489, St. Mary's, MD
Over: MD ROUTE 410
1.1 MILES NORTH OF MD ROU, Prince George's, MD
Over: MUDDY RUN
0.13 S OF BLUE MTN ROAD, Frederick, MD
Over: BEL PRE CREEK
0.5 MILES WEST OF MD 182, Montgomery, MD
Over: HAWLINGS RIVER
0.9 MI W OF JCT SR MD 650, Montgomery, MD
Over: BUCK BRANCH
2 MI E OF JCT SR MD 189, Montgomery, MD
Over: WHITE MARSH RUN
0.22 MI S OF US 40, Baltimore, MD
Over: DEER CREEK
2.0 MILES W OF MD 23, Harford, MD
Over: LITTLE SENECA CREEK
0.7 MI WEST OF MD 27, Montgomery, MD
Over: HANCE POINT CREEK
3.05 MILES SOUTH OF MD 7C, Cecil, MD
Over: UNNAMED TRIBUTARY
0.6 MI NORTH OF MD 214, Prince George's, MD
Over: MANOKIN RIVER
0.06 MILE WEST OF US 13, Somerset, MD
Over: GOSHEN BRANCH
0.2 MI NORTH OF BRINK RD, Montgomery, MD
Over: CAPITAL CRESCENT TRAIL
0.08 MILE SOUTH OF MD 410, Montgomery, MD
Over: WATTS BRANCH
1.5 MI W OF JCT SR 189, Montgomery, MD
Over: BEAVER CREEK
1.75 MILES EAST OF MD 741, Washington, MD
Over: WOODREST CREEK
.06 MI N OF ANTI-AIRCRAFT, Harford, MD
Over: TRIB TO ANDOVER BRANCH
1.75 M W OF DELAWARE LINE, Queen Anne's, MD
Over: MARLEY CREEK
0.45 MI S OF MD 648E, Anne Arundel, MD
Over: GREENE BRANCH
0.73 MILE W OF COOPER RD, Baltimore, MD
Over: GOODWIN RUN
0.30 MI. N OF PADONIA RD., Baltimore, MD
Over: DRAINAGE DITCH
.15 MI N OF BILLINGSLY RD, Charles, MD
Over: TRIBUTARY TO LONG BRANCH
0.2 MI N OF OLD NATL PIKE, Frederick, MD
Over: ISLAND CREEK
0.3 MI. E. BURRISVILLE RD, Queen Anne's, MD
Over: SIDELING HILL CREEK
WASHINGTON COUNTY LINE, Allegany, MD
Over: TRIB OF CHOPTANK RIVER
2.5 MI N OF MD RTE 404, Caroline, MD
Over: NORTHEAST CREEK
0.27 MILE SOUTH OF MD 272, Cecil, MD
Over: BROAD RUN
0.07 MI N OF ARNOLD ROAD, Frederick, MD
Over: ST CLEMENTS CREEK
0.72 MILE SOUTH OF MD 238, St. Mary's, MD
Over: BRANCH OF CYPRESS CREEK
0.15 M N OF CYPRUS CRK RD, Anne Arundel, MD
Over: HERRING RUN
0.6 MI E OF LOCH RAVEN BD, Baltimore city, MD
Over: SEWELL BRANCH
0.5 MILES EAST OF MD 2-4, Calvert, MD
Over: JONES FALLS
WEST OF PRESIDENT STR., Baltimore city, MD
Over: STADIUM LOT
MILEPOST 1.2, Baltimore city, MD
Over: TRIBUTARY TO LITTLE SENE
1 MI NORTHEAST OF MD 355, Montgomery, MD
Over: KINGS CREEK
0.18 MILE SOUTH OF MD 920, Somerset, MD
Over: BRANCH OF EVITTS CREEK
0.07MI E OF MD 144, Allegany, MD
Over: JENNINGS RUN
0.06 MI N OF MD 638, Allegany, MD
Over: FLINTSTONE CREEK
0.06 MI E OF MD 940AO, Allegany, MD
Over: SNIB HOLLOW RUN
1.15 MI W OF MD 948Y, Allegany, MD
Over: SNIB HOLLOW RUN
0.62 M E OF US 40 SC, Allegany, MD
Over: SNIB HOLLOW RUN
0.64MI W OF WASH CO LINE, Allegany, MD
Over: SNIB HOLLOW RUN
0.22 MI W OF US 40SC, Allegany, MD
Over: MOORES RUN
0.22 MILE NORTH OF MD 935, Allegany, MD
Over: ELK LICK RUN
0.16 M E OF ROCKY GAP RD, Allegany, MD
Over: ELK LICK RUN
0.82 M E OF BR NO 0115400, Allegany, MD
Over: ELK LICK RUN
0.184 MI W BR NO. 0115200, Allegany, MD
Showing 3,501-3,550 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 |