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: REDHOUSE CREEK
0.89 MI E OF US 40, Baltimore, MD
Over: JONES FALLS
0.19 MI N OF MD 25, Baltimore, MD
Over: HERRING RUN, PERRING PKW
0.4 MI E LOCH RAVEN BLVD, Baltimore city, MD
Over: NEWKIRK ST, OLD KEITH AV
KEITH AVE OVER NEWKIRK ST, Baltimore city, MD
Over: BRANCH OF OCTARARO CREEK
.34 MILE SOUTH OF MD 591A, Cecil, MD
Over: STONEY RUN
0.42 MI S OF BARON ROAD, Cecil, MD
Over: CSX RAILROAD
0.50 MI N OF MARLEY RD, Cecil, MD
Over: AMTRAK
0.24 MI S OF US 40, Cecil, MD
Over: CSX TRANS.
.09 M E OF BILL MOXLEY RD, Frederick, MD
Over: BENNETT CREEK
1.26 MI. N. OF MD 80, Frederick, MD
Over: BENNETT CREEK
1.26 MI. N. OF MD 80, Frederick, MD
Over: TRANS CONT PIPE LINE
0.35 MILE EAST OF US 40, Howard, MD
Over: BRIER DITCH
0.02 MI N OF GOOD LUCK RD, Prince George's, MD
Over: CSXT, METRO, 55TH AVENUE
0.12 MILE EAST OF MD 430, Prince George's, MD
Over: HENSON CREEK
0.04 MI N OF HENDERSON RD, Prince George's, MD
Over: ACCOKEEK CREEK
2.66 MILES W OF MD 210, Prince George's, MD
Over: KINGS CREEK
0.3 MI S OF DUBLIN ROAD, Somerset, MD
Over: LITTLE ANTIETAM CREEK
0.98 MI E OF MD RTE 64, Washington, MD
Over: ROCKHOLD CREEK
0.62 MILE WEST OF MD 256, Anne Arundel, MD
Over: WESTERN RUN
0.52 MILE SOUTH OF MD 128, Baltimore, MD
Over: GWYNNS FALLS
0.12 MILE NORTH OF IS 795, Baltimore, MD
Over: TRIB TO CHARLES RUN
4.34 MI EAST OF MD 45, Baltimore, MD
Over: REDHOUSE RUN
0.2 MI N PHILADELPHIA RD, Baltimore, MD
Over: DRUID LAKE DR WESTBOUND
SB I-83 AT WB DRUID LK DR, Baltimore city, MD
Over: CSX, RACE ST, McCOMAS ST
Milepost M55.3, Baltimore city, MD
Over: PINEY CREEK
.61 MILE SOUTH OF MD 194E, Carroll, MD
Over: STONE RUN
0.21 MI S OF US 1, Cecil, MD
Over: BIG ELK CREEK
1.9 MI S OF MD LINE, Cecil, MD
Over: CSX TRANS.
.09 M E OF BILL MOXLEY RD, Frederick, MD
Over: BRANCH OF BENNETT CREEK
0.21 M S OF BR NO 1017900, Frederick, MD
Over: WEST BRANCH/WINTERS RUN
0.6 MILES NW OF MD 165, Harford, MD
Over: BROAD RUN
0.2 MI W OF EDWARDS FERRY, Montgomery, MD
Over: GREAT SENECA CREEK
0.7 MI N OF JCT SR 28, Montgomery, MD
Over: PISCATAWAY CREEK
2.42 MILES N OF MD 373, Prince George's, MD
Over: LITTLE ANTIETAM CREEK
0.19 MILE EAST OF MD 845A, Washington, MD
Over: BROAD CREEK
0.5 MI E JESTERVILLE RD, Wicomico, MD
Over: JENNINGS RUN
0.02 MI S OF MD 36, Allegany, MD
Over: HONEYGO RUN
0.36 MILE EAST OF MD 43, Baltimore, MD
Over: JONES FALLS
0.27 MI S OF MD 130, Baltimore, MD
Over: MTA LIGHT RAIL
0.2 MILE NORTH OF IS 83, Baltimore, MD
Over: ROLAND RUN
0.4 MI N OF JOPPA ROAD, Baltimore, MD
Over: TRIBUTARY TO GWYNNS FALL
0.03 MI N OF ALTER ST, Baltimore, MD
Over: ROACHES RUN
HAMMERSHIRE RD 0.11, Baltimore, MD
Over: FROG HOLLOW RUN
1.3 MI W MIDDLETOWN RD, Baltimore city, MD
Over: BIG PIPE CREEK
.15 MI S OF SHARRETT ROAD, Carroll, MD
Over: LITTLE ELK CREEK
0.54 MI W OF MD 213, Cecil, MD
Over: PERSIMMON RUN
0.52 MI S OF MD 279, Cecil, MD
Over: B&O RR
Milepost M104.7, Cecil, MD
Over: BUSH CREEK
1.2 MI N OF MD RTE 80, Frederick, MD
Over: CRABTREE CREEK
0.4 M E INT MD RTE 495, Garrett, MD
Showing 2,901-2,950 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 |