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 TO GWYNNS FALL
.09 MI N WINDSOR MILL, Baltimore, MD
Over: CSXT RAILROAD
BENTALOU ST OVER CSX, Baltimore city, MD
Over: JONES FALLS & UNION AVE
I-83 OVER JF & UNION AVE, Baltimore city, MD
Over: LITTLE NORTHEAST CREEK
1.81 MILES EAST OF MD 272, Cecil, MD
Over: WARWICK RIVER
1.45 MILES EAST OF MD 16, Dorchester, MD
Over: ABANDONED RR
0.1MI NW OF 1728 N MARKET, Frederick, MD
Over: SOUTH BRANCH BEAR CREEK
.07 MILE NORTH OF MD 826P, Garrett, MD
Over: CATTAIL BRANCH
500 FEET SOUTH OF MD 202, Prince George's, MD
Over: JONES CREEK
0.38 MILE NORTH OF MD 920, Somerset, MD
Over: ST GEORGES CREEK
0.46 MILE S OF STARK DR, St. Mary's, MD
Over: LOWER LEVEL ROADWAY
BWI AIRPORT, Anne Arundel, MD
Over: LITTLE GUNPOWDER FALLS
1.0 MI NE LONG GREEN PIKE, Baltimore, MD
Over: DEER CREEK
200 FT W OF WEST LIBERTY, Baltimore, MD
Over: ROLAND RUN
100 FT WEST OF RUXTON RD, Baltimore, MD
Over: MCGILL RUN
0.3 MI S OF DOVER RD, Baltimore, MD
Over: ROLAND RUN
2.77 MI S OF RUXTON RD, Baltimore, MD
Over: REDHOUSE CREEK
0.2 MILES WEST OF IS 95, Baltimore, MD
Over: MTA LIGHT RAIL
ON RAMP SB JFX I-83, Baltimore city, MD
Over: DICKERSON RUN
0.05 MI W OF NEW WINDSOR, Carroll, MD
Over: LITTLE MORGAN RUN
1.25 MILES N OF MD 26, Carroll, MD
Over: STONY RUN
0.1 MI S OF MD 7, Cecil, MD
Over: BRANCH OF FRIENDS CREEK
0.15 MI NE OF MD RTE 550, Frederick, MD
Over: TRIBUTARY NO. 8
0.7 MI EAST OF MD 355, Frederick, MD
Over: NORTH STIRRUP RUN
3.09 MILES NORTH OF MD 23, Harford, MD
Over: TRIB / WINTERS RUN
0.5 MILES N OF MD 7, Harford, MD
Over: WINTERS RUN
1.5 MILES N OF MD 152, Harford, MD
Over: PATUXENT RIVER
ON HOWARD CO LINE, Montgomery, MD
Over: BACK CREEK
1 MI N OF SAM BARNES ROAD, Somerset, MD
Over: NORWICH CREEK
0.12 MILE S OF MD 404AL, Talbot, MD
Over: GEORGES CREEK
0.08 MI N OF MD 935, Allegany, MD
Over: WILLS CREEK
0.11 MI W OF SHELLSBUR RD, Allegany, MD
Over: PATAPSCO RIVER
BALTIMORE COUNTY LINE, Anne Arundel, MD
Over: CSX RAILROAD
0.2 MI S US RTE 40, Baltimore, MD
Over: TRIBUTARY TO HERRING RUN
0.10 MI N. OF TAYLOR AVE., Baltimore, MD
Over: GAY STREET
0.2 MI S OF ORLEANS ST, Baltimore city, MD
Over: PUMPING STATION
0.5 MI N OF NORTH AVENUE, Baltimore city, MD
Over: MTA AND JONES FALLS
1.1 MI S OF COLD SPRING L, Baltimore city, MD
Over: HERRING RUN
0.2 MI E OF HILLEN RD, Baltimore city, MD
Over: CSXT RR
0.44 MI S OF DOCK ROAD, Baltimore city, MD
Over: CSXT RR
0.44 MI S OF DOCK ROAD, Baltimore city, MD
Over: BEAVER RUN
0.03 MI W OF POOLE ROAD, Carroll, MD
Over: NORTHEAST CREEK
1.52 MI N OF MD 274, Cecil, MD
Over: MD RTE 273
0.75MI EAST OF MD RTE 213, Cecil, MD
Over: BRANCH OF ROCK CREEK
.036 MILE EAST OF US 40AL, Frederick, MD
Over: WELDON CREEK
AT BLACK ANKLE RD INT, Frederick, MD
Over: ELK LICK RUN
150' E OF WESTERNPORT RD, Garrett, MD
Over: BYNUM RUN
.06 M N OF MOORES MILL RD, Harford, MD
Over: CABBAGE RUN
0.7 MILES NW OF MD 543, Harford, MD
Over: JACOBS CREEK
0.23 MILE SOUTH OF US 301, Kent, MD
Over: SWANTOWN CREEK
1.91 MILES S OF US 301, Kent, MD
Showing 1,501-1,550 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 |