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: BEAVERDAM CREEK
1.552 MILES EAST OF US 13, Wicomico, MD
Over: BEAVERDAM CREEK
1.552 MILES EAST OF US 13, Wicomico, MD
Over: CAMPBELL DITCH
0.74 MILE EAST OF MD 992B, Wicomico, MD
Over: CAMPBELL DITCH
0.74 MILE EAST OF MD 992B, Wicomico, MD
Over: CUTMAPTICO CREEK
2 MI SW UPPER FERRY CROSS, Wicomico, MD
Over: BR OF CHURCH BRANCH
0.86 MILE EAST OF MD 346, Worcester, MD
Over: BIRCH BRANCH
2.11 MILES WEST OF US 113, Worcester, MD
Over: HUDSON BRANCH
0.41 MILE EAST OF US 113, Worcester, MD
Over: PILCHARD CREEK
1.09 MILE WEST OF MD 703, Worcester, MD
Over: ROMNEY CREEK
WEST OF LIVE FIRE RD, Harford, MD
Over: UNKNOWN CREEK
N RECONN ST & PISTOL RD, Harford, MD
Over: UNNAMED PERENNIAL STREAM
1.0 MI NORTH OF US 40, Howard, MD
Over: UNNAMED INTERMITTENT STR
0.7 MI NORTH OF US 40, Howard, MD
Over: STREAM
0.01 MI W OF 53RD PL, Prince George's, MD
Over: OWENS CREEK
1 MI S OF MUD COLLEGE RD, Frederick, MD
Over: LITTLE BENNETT CREEK
WEST OF THURSTON ROAD INT, Frederick, MD
Over: OWENS CREEK
AT FRUSHOUR RD INT, Frederick, MD
Over: MIDDLE CREEK
AT MD RTE 17 INT, Frederick, MD
Over: BENNETT CREEK
0.4 MI S OF THURSTON RD, Frederick, MD
Over: PEA HILL BRANCH
1.2 MI. S. OF KIRBY ROAD, Prince George's, MD
Over: JENNIFER BRANCH
0.05 MI W OF HOMELAND AVE, Baltimore, MD
Over: BROAD RUN
0.7 MILES SOUTH OF MD 383, Frederick, MD
Over: LITTLE CONOCOCHEAGUE CRE
250 FT W OF BLAIRS VALLEY, Washington, MD
Over: LITTLE GUNPOWDER FALLS
0.2 MI S JERUSALEM ROAD, Baltimore, MD
Over: RATTLE RUN
500FT N OF MOORESVILLE RD, Washington, MD
Over: LOCUST RUN
0.57 MI N OF MD 26, Baltimore, MD
Over: JENNIFER BRANCH
0.2 MI E OF MD RTE 147, Baltimore, MD
Over: GEORGES CREEK
0.14 MI N OF MD 936, Allegany, MD
Over: JONES DITCH
1.63 MI NE OF MD 366, Worcester, MD
Over: CATTAIL BRANCH
0.10 M W OF KENTTOWN PL, Prince George's, MD
Over: SCOTTS LEVEL BRANCH
0.34 MI N OF MD 26, Baltimore, MD
Over: TOMS CREEK
0.4 MI S OF US RTE 15, Frederick, MD
Over: OWENS CREEK
0.37 MI E OF US RTE 15, Frederick, MD
Over: CLARA BARTON PARKWAY (NB
2.5 MILES SOUTH OF I-495., Montgomery, MD
Over: BUSH CREEK
0.5 MI W OF IJAMSVILLE RD, Frederick, MD
Over: FISHING CREEK
0.5 MI E OLD FREDERICK RD, Frederick, MD
Over: TRIBUTARY TO PATAPSCO RI
0.6 MI E OF MD RTE 32, Howard, MD
Over: GREAT SENECA CREEK
2.0 MILES NORTH OF MD 124, Montgomery, MD
Over: MONOCACY RIVER
AT CARROLL COUNTY LINE, Frederick, MD
Over: C&O CANAL
0.9 miles from Dam #4 on, Washington, MD
Over: LITTLE FALLS
0.3 MI W OF YORK RD, Baltimore, MD
Over: BEAVER DAM CREEK
CAPITAL BELTWAY TO EXIT 2, Prince George's, MD
Over: TRIBUTARY TO MAGOTHY RIV
0.47 Mi South of JCT RT2, Anne Arundel, MD
Over: BRANCH OF FRIENDS CREEK
1.2 M S OF WASH CO LINE, Frederick, MD
Over: MEETINGHOUSE BRANCH
0.2 MI. FROM W. PERIMETER, Prince George's, MD
Over: FIRST MINE BRANCH
0.8 MI S OF WHITE HALL RD, Baltimore, MD
Over: LOWER LEVEL ROADWAY & RA
BWI HOURLY PARK GARAGE, Anne Arundel, MD
Over: NORFOLK SOUTHERN RR, CAN
0.5 MI W OF I-895, Baltimore city, MD
Over: CSX/MARC
0.56 MILE EAST OF MD 355, Montgomery, MD
Over: PUSEY BRANCH
0.13 MI E OF OLD BEECH RD, Worcester, MD
Showing 3,851-3,900 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 |