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: LITTLE PATUXENT RIVER
0.27 MI S OF US 29, Howard, MD
Over: HAMMOND BRANCH
0.2 MI N OF MD RTE 216, Howard, MD
Over: CSXT RR & WMATA METRO
0.2 MI E OF MD RTE 355, Montgomery, MD
Over: PAINT BRANCH
0.15 MILE WEST OF US 1, Prince George's, MD
Over: E BRANCH OF ROCK CREEK
0.70 M W OF LONG POINT RD, Somerset, MD
Over: NEWPORT CREEK
1.29 MI SE OF US RTE 113, Worcester, MD
Over: MILL RUN
0.08 MI N OF MAIN ST, Allegany, MD
Over: SEVERN RUN
0.81 MILE NORTH OF MD 3, Anne Arundel, MD
Over: SEVERN RUN
0.81 MILE NORTH OF MD 3, Anne Arundel, MD
Over: JUMPERS HOLE ROAD
0.67 MILE EAST OF MD 2, Anne Arundel, MD
Over: CHURCH CREEK
0.29 MILE EAST OF MD 2, Anne Arundel, MD
Over: LITTLE FALLS
100 FT W OF GRAYSTONE RD, Baltimore, MD
Over: HILLEN STREET
I-83 OVER HILLEN STREET, Baltimore city, MD
Over: GWYNNS FALLS
SB FROM WASHINGTON BLVD, Baltimore city, MD
Over: KEITH AVENUE
Milepost M56.5, Baltimore city, MD
Over: CONRAIL YARD
Milepost M56.9, Baltimore city, MD
Over: MARSHYHOPE CREEK
1.71 MILE SOUTH OF MD 308, Caroline, MD
Over: TALBOT BRANCH
0.03 M S OF FRANKLIN RD, Carroll, MD
Over: MILL CREEK
0.4 MI S OF MD 7, Cecil, MD
Over: FISHING CREEK
0.75 MI W OF DUBLIN RD, Frederick, MD
Over: SANG RUN
SANG RUN ROAD, Garrett, MD
Over: BR OF SWAN CREEK
0.03 MILE SOUTH OF MD 22, Harford, MD
Over: DEER CREEK
1.0 MILES S OF MD 165, Harford, MD
Over: OTTER POINT CREEK (N)
0.3 MILES S OF MD 7, Harford, MD
Over: PATUXENT RIVER
HOWARD-MONTGOMERY CO LINE, Howard, MD
Over: JAMES CREEK
0.4 MI S OF GOLD MINE RD, Montgomery, MD
Over: PINEY CREEK
1.21 MILES EAST OF MD 552, Queen Anne's, MD
Over: CORSICA CREEK
0.88 MILE WEST OF MD 213, Queen Anne's, MD
Over: RED LION BRANCH
0.56 MILE EAST OF MD 290, Queen Anne's, MD
Over: WYE RIVER
0.15 MI SE OF MD 301, Queen Anne's, MD
Over: POTOMAC RIV & C&O CANAL
ON WEST VIRGINIA ST LINE, Washington, MD
Over: ISRAEL CREEK
0.2 MI W OF MD RTE 67, Washington, MD
Over: NORFOLK SOUTHERN RR
1.0 MILE NORTH OF US 50BU, Wicomico, MD
Over: TONYTANK POND
0.38 MILE NORTH OF MD 513, Wicomico, MD
Over: NANTICOKE RIVER
ON DORCHESTER CO LINE, Wicomico, MD
Over: POCOMOKE RIVER
ON WICOMICO CO LINE, Worcester, MD
Over: CENTRE ST, QUEEN CITY DR
0.52 MI E OF US 48H, Allegany, MD
Over: WILLS CREEK / WMSRR
0.20 MI S OF US 40 ALT, Allegany, MD
Over: FURNACE CREEK
0.38 MI N OF MD 270, Anne Arundel, MD
Over: FURNACE CREEK
0.38 MI N OF MD 270, Anne Arundel, MD
Over: DEEP RUN
ON HOWARD COUNTY LINE, Anne Arundel, MD
Over: MARLEY CREEK
1 MI SW of MD 173, Anne Arundel, MD
Over: PINEY CREEK
0.06 MI N OF SPARKS RD, Baltimore, MD
Over: BEAN BRANCH
2.03 MI S OF HARFORD CO, Baltimore, MD
Over: NORFOLK SOUTHERN RAILROA
LOMBARD ST OV NS RR, Baltimore city, MD
Over: WATTS CREEK
2.0 MILES SOUTH OF MD 317, Caroline, MD
Over: MORGAN RUN
1.68 MILE NORTH OF MD 407, Carroll, MD
Over: LITTLE ELK CREEK
0.19 MILE EAST OF MD 279, Cecil, MD
Over: LITTLE ELK CREEK
0.19 MILE EAST OF MD 279, Cecil, MD
Over: LITTLE ELK CREEK
0.19 MILE SOUTH OF MD 545, Cecil, MD
Showing 2,451-2,500 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 |