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: LONG DRAUGHT BRANCH
1.66 MILE NORTH OF MD 124, Montgomery, MD
Over: LITTLE MONOCACY RIVER
0.6 MI E OF MT EPHRAIM RD, Montgomery, MD
Over: CATTAIL BRANCH
0.01 MI N OF W FOREST RD, Prince George's, MD
Over: LITTLE PAINT BRANCH
CAPITAL BELTWAY TO EXIT 2, Prince George's, MD
Over: STONE LAKE RD/PARKING LT
600M E OF WOOD RD, Montgomery, MD
Over: BRANCH OF DEEP RUN
0.16 MI S OF HOWARD CO, Anne Arundel, MD
Over: MTA LIGHT RAIL
0.04 MI N OF MD 170, Anne Arundel, MD
Over: STONEY RUN
0.5 MI N OF STONEY RUN RD, Anne Arundel, MD
Over: NORFOLK SOUTHERN RR
0.18 MILE SOUTH OF MD 151, Baltimore, MD
Over: MILL SWAMP
2.01 MILES WEST OF MD 210, Charles, MD
Over: BROAD CREEK
0.77 MILE NORTH OF MD 543, Harford, MD
Over: HAMMOND BRANCH
1.28 MILES SOUTH OF MD 32, Howard, MD
Over: NORTHWEST BRANCH
0.68 MILE NORTH OF MD 208, Prince George's, MD
Over: PATUXENT RIVER
ON ANNE ARUNDEL CO LINE, Prince George's, MD
Over: CABIN BRANCH
0.05 MI S OF ASHLEAF AVE, Prince George's, MD
Over: ANTIETAM CREEK
AT EASTERN BOULEVARD, Washington, MD
Over: HAMILTON RUN
AT INT OF BROOKLINE AVE, Washington, MD
Over: POCOMOKE RIVER
ON SOMERSET CO LINE, Worcester, MD
Over: GEORGES CREEK
0.09 M N OF C STREET, Allegany, MD
Over: PATAPSCO RIVER, CSX TRAN
ON HOWARD CO LINE, Baltimore, MD
Over: PATAPSCO RIVER, CSX TRAN
ON HOWARD CO LINE, Baltimore, MD
Over: TRIBUTARY TO HERRING RUN
0.2 MI N OF TAYLOR AVE, Baltimore, MD
Over: TRIBUTARY TO HERRING RUN
0.02 MI N OF TAYLOR AVE, Baltimore, MD
Over: CATOCTIN CREEK
0.17 MILE WEST OF MD 17, Frederick, MD
Over: BEAVER BRANCH
0.63 MILE WEST OF MD 76, Frederick, MD
Over: GRAYS RUN
1.01 MILES SOUTH OF US 40, Harford, MD
Over: BW PARKWAY
1.5 MILES SOUTH OF I-95, Prince George's, MD
Over: BRANCH AVENUE
1.5 MILES WEST OF SILVER, Prince George's, MD
Over: TOMAKOKIN CREEK
0.71 MILE NORTH OF MD 238, St. Mary's, MD
Over: LITTLE ANTIETAM CREEK
0.45 MI W OF MD RTE 64, Washington, MD
Over: DEEP CREEK
0.09 M N INT MAYHEW INN R, Garrett, MD
Over: WARRIOR RUN
0.02 MILE EAST OF MD 53, Allegany, MD
Over: DEEP RUN
ON THE HOWARD CO LINE, Anne Arundel, MD
Over: BEAR CREEK
1.39 MILE NORTH OF MD 158, Baltimore, MD
Over: DOGWOOD ROAD AND DEAD RU
300 FT E OF SECURITY BLVD, Baltimore, MD
Over: BRICE RUN
0.92 MI S OF MD 125, Baltimore, MD
Over: BUSH CREEK
0.84 MILE EAST OF MD 75, Frederick, MD
Over: DOLLYHYDE CREEK
0.34 MILE EAST OF MD 31, Frederick, MD
Over: CARROLL CREEK
1.1 MI. W OF US 15, Frederick, MD
Over: ISLAND BRANCH
1.0 MILE SOUTH OF MD 23, Harford, MD
Over: DEER CREEK
0.2 MILES E OF BALT CO, Harford, MD
Over: SASSAFRAS RIVER
ON CECIL COUNTY LINE, Kent, MD
Over: PAINT BRANCH
0.33 M N OF BR NO 1612900, Prince George's, MD
Over: TRIB TO LITTLE PAINT BR
0.3 MI W OF BELTSVILLE DR, Prince George's, MD
Over: MILES RIVER
0.98 MILE NORTH OF MD 33, Talbot, MD
Over: NORWICH CREEK
0.03 MILE S OF MD 404AL, Talbot, MD
Over: GEORGES CREEK
0.24 MI S OF MD 935A, Allegany, MD
Over: BRADDOCK RUN
1.28 MI W OF MD 831A, Allegany, MD
Over: SCOTTS LEVEL BRANCH
0.09 MI N OF ZETA WAY, Baltimore, MD
Over: JONES FALLS
0.3 MI N COLD SPRING LANE, Baltimore city, MD
Showing 1,551-1,600 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 |