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 DEEP CREEK
0.2 MI NORTH OF RTE 219, Garrett, MD
Over: CABIN JOHN CREEK
0.74 MILE EAST OF MD 191, Montgomery, MD
Over: CONGRESSIONAL CC UNDERPA
0.4 MI N OF I-495, Montgomery, MD
Over: HONEY BRANCH
0.59 M W OF AA CO LINE, Prince George's, MD
Over: INDIAN CREEK
0.12 MILES WEST OF MD 201, Prince George's, MD
Over: MD ROUTE 197 (EBL)
1.9 MILES NORTH OF MD ROU, Prince George's, MD
Over: NORFOLK & SOUTHERN RR
0.52 MILE EAST OF MD 632, Washington, MD
Over: NORFOLK SOUTHERN RAILROA
0.52 MILE EAST OF MD 632, Washington, MD
Over: C&O CANAL
Route 68 to Salisbury Str, Washington, MD
Over: JONES FALLS
0.33 MILE SOUTH OF MD 25A, Baltimore, MD
Over: DEEP RUN
0.2 MI W OF MD RTE 103, Howard, MD
Over: CSXT RR & WMATA METRO
1 MI E OF MD RTE 355, Montgomery, MD
Over: BEAVERDAM CREEK
0.17 MI E OF US 50, Prince George's, MD
Over: UNICORN BRANCH
0.48 M S OF KENT CO LINE, Queen Anne's, MD
Over: UNDERPASS WAY-VALLEY MAL
0.32 MI E OF I 81, Washington, MD
Over: NORFOLK SOUTHERN RAILROA
150 FT W OF VIRGINIA AVE, Washington, MD
Over: TONY TANK CREEK
.75 MI S SALSBRY CTY LINE, Wicomico, MD
Over: CSXT / LOCKHOUSE RD
0.23 MI NW OF MD 51, Allegany, MD
Over: SOUTH RIVER
0.94 M W OF BR NO 0203100, Anne Arundel, MD
Over: SALTPETER CREEK
2.4 MI E EASTERN AVE, Baltimore, MD
Over: MTA LIGHT RAIL
0.4 MI W OF YORK RD, Baltimore, MD
Over: JONES FALLS
NB I-83 OFF RAMP, Baltimore city, MD
Over: JONES FALLS
0.2 MI S 41ST ST, Baltimore city, MD
Over: MDTA BHT MAINTENANCE FAC
Milepost M8.06, Baltimore city, MD
Over: CHAPEL BRANCH
0.5 MILE NORTH OF MD 317, Caroline, MD
Over: SOUTH BRANCH PATAPSCO RI
ON HOWARD CO LINE, Carroll, MD
Over: LITTLE ELK CREEK
0.5 MI NE OF MD 545, Cecil, MD
Over: HUNTING CREEK
0.29 MILE WEST OF US 15, Frederick, MD
Over: TOMS CREEK
0.65 MILE N OF US 15BU, Frederick, MD
Over: PEACHBLOSSOM CREEK
1.95 MILES S OF MD 322, Talbot, MD
Over: HILL RUN
0.01 MI S OF WATER STA RD, Allegany, MD
Over: GWYNNS FALLS
0.32 MILE NORTH OF IS 695, Baltimore, MD
Over: JENNIFER BRANCH
0.6 MI E HARFORD RD, Baltimore, MD
Over: CENTRE STREET & MADISON
0.1 MI N OF ORLEANS ST, Baltimore city, MD
Over: CSX
BLOOMINGDALE RD OVER CSX, Baltimore city, MD
Over: EASTERN AVENUE
EASTERN AV UNDR JANNEY ST, Baltimore city, MD
Over: CHOPTANK RIVER
0.32 MILE NORTH OF MD 314, Caroline, MD
Over: BUFFALO RUN
1.27 MILES E OF W VA, Garrett, MD
Over: BR OF DEER CREEK
0.09 M N OF COEN ROAD, Harford, MD
Over: HAY MEADOW BRANCH
1 MI N OLD FREDERICK RD, Howard, MD
Over: TRIB. TO CYPRESS CREEK
0.05 MI N OF MD RTE 291, Kent, MD
Over: CABIN JOHN CREEK
0.02 MILE SOUTH OF GV 6, Montgomery, MD
Over: PAINT BRANCH
.5 M N OF BRIGGS CHANEY R, Montgomery, MD
Over: BRIGHTON DAM & TRIADELPH
1 MILE EAST OF MD 650, Montgomery, MD
Over: CHESTER RIVER
ON KENT CO LINE, Queen Anne's, MD
Over: TRIPPE CREEK
0.67 M N OF SPRING ROAD, Talbot, MD
Over: TRIBUTARY OF ANTIETAM CR
0.5 MI N OF EAST RIDGE DR, Washington, MD
Over: NORFOLK SOUTHERN RAILROA
0.47 MI N OF VIRGINIA AVE, Washington, MD
Over: BARREN CREEK
0.13 MI N OF ATHOL ROAD, Wicomico, MD
Over: I-83 NB
29TH ST AT I-83, Baltimore city, MD
Showing 2,951-3,000 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 |