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: HENSON CREEK
0.1 MILES EAST OF FORESTV, Prince George's, MD
Over: DAMES QUARTER CREEK
0.01 M E OF MESSICK ROAD, Somerset, MD
Over: C&O CANAL
0.3 miles from Fort Frede, Washington, MD
Over: POCOMOKE RIVER
ON WORCESTER CO LINE, Wicomico, MD
Over: POCOMOKE RIVER
ON WORCESTER CO LINE, Wicomico, MD
Over: BURNT MILL BRANCH
0.84 MI N OF MD 346, Wicomico, MD
Over: BACON RIDGE BRANCH
0.89 MI E OF RUTLAND RD, Anne Arundel, MD
Over: E PALMER RD,STONEY CREEK
500M E OF WOOD RD, Montgomery, MD
Over: MILL RUN
.13 MILE NORTH OF MD 830B, Allegany, MD
Over: PATAPSCO RIVER
ON AA CO/ BALTO CO LINE, Anne Arundel, MD
Over: AMTRAK & BACK RIVER
0.75 MILE SOUTH OF MD 150, Baltimore, MD
Over: AMTRAK
Milepost M2.0, Baltimore, MD
Over: TO KEITH AVENUE
EX 56 RAMP TO KEITH AVE, Baltimore city, MD
Over: CANTON RR
MILE POINT 11.9, Baltimore city, MD
Over: CSXT
0.18 MI N OF CHEMICAL RD, Baltimore city, MD
Over: BIG PIPE CREEK
0.06 MI N OF UNGER RD, Carroll, MD
Over: BIG PIPE CREEK
0.25 MI S OF NASBAUM RD, Carroll, MD
Over: DEEP RUN
0.02 MI W OF LEES MILL RD, Carroll, MD
Over: SCOTCHMAN CREEK
0.32 MI NW OF MD 213, Cecil, MD
Over: ZEKIAH SWAMP
0.04 M W OF BR NO 0800500, Charles, MD
Over: CSX TRANS.
0.66 MILE EAST OF MD 495A, Garrett, MD
Over: BR OF DEER CREEK
0.42 M S OF DAVIS ROAD, Harford, MD
Over: FALLING BRANCH
0.3 MILES E OF FAWN GR RD, Harford, MD
Over: DEEP CREEK
1.1 MILES N OF MD 136, Harford, MD
Over: AMTRAK RAILROAD
0.1 MILES E OF US 40, Harford, MD
Over: ROCK CREEK
.6 MI W OF MUNCASTER MILL, Montgomery, MD
Over: TRIBUTARY TO NORTHWEST B
200 FT S OF GLENALLAN AVE, Montgomery, MD
Over: PISCATAWAY CREEK
0.1 MILE NORTH OF MD 223A, Prince George's, MD
Over: AMTRAK, WMATA
0.74 MILE WEST OF IS 95, Prince George's, MD
Over: PAINT BRANCH
0.44 M S OF BR NO 1612400, Prince George's, MD
Over: POTOMAC RIVER
ON VIRGINIA LINE, Prince George's, MD
Over: AMTRAK RAILROAD
0.05 MI SOUTH OF MD 564, Prince George's, MD
Over: TEAGUE CREEK
1.2 MI EAST OF MD 361, Somerset, MD
Over: KINGS CREEK
0.5 MI SE OF MD 328, Talbot, MD
Over: GROVE CREEK
0.5 MI SW OF LEIT SMITH R, Washington, MD
Over: HERRING CREEK
0.19 MILE WEST OF MD 707A, Worcester, MD
Over: HERRING CREEK
0.19 MILE WEST OF MD 707A, Worcester, MD
Over: BACHELORS BRANCH
3.1 MILES NORTH OF MD 756, Worcester, MD
Over: NEFF RUN
2.57 MI S OF MD 55, Allegany, MD
Over: SACHS BRANCH
BWI AIRPORT TERMINAL RD, Anne Arundel, MD
Over: MUD FLATS
1.44 MILE WEST OF MD 151, Baltimore, MD
Over: TRIBUTARY TO GWYNNS FALL
0.07 MI N OF MD 26, Baltimore, MD
Over: HARFORD RUN
BETWEEN ALICEANNA & FLEET, Baltimore city, MD
Over: CHINQUAPIN RUN
0.3 MI W OF THE ALAMEDA, Baltimore city, MD
Over: AMTRAK
0.06 MILE EAST OF MD 7C, Cecil, MD
Over: BASIN RUN
0.1 MI E OF DR JACK RD, Cecil, MD
Over: OWENS CREEK
0.02 MI W OF FRUSHOUR RD, Frederick, MD
Over: CATOCTIN CREEK
0.55 MILE EAST OF MD 872, Frederick, MD
Over: MIDDLE PATUXENT RIVER
2.02 MILES EAST OF MD 216, Howard, MD
Over: SWAN CREEK
2.92 MILES SOUTH OF MD 21, Kent, MD
Showing 2,201-2,250 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 |