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: SEVERN RUN
2.4 MILES NORTH OF MD 32, Anne Arundel, MD
Over: WHITEMARSH RUN
0.2 M E OF CAMPBELL BLVD, Baltimore, MD
Over: OREGON BRANCH
0.41 MI N OF BEAVERDAM RD, Baltimore, MD
Over: FORGE BRANCH
0.4 MI NE OF GREENSBORO, Caroline, MD
Over: LITTLE CATOCTIN CREEK
0.25 MI N OF ALT. 40, Frederick, MD
Over: CSXT RAILROAD
NORTH OF MD 118, Montgomery, MD
Over: TRIBUTARY TO GWYNNS FALL
0.1 MI NE of SR 26, Baltimore, MD
Over: PINEY CREEK
0.85 MI N OF TANEYTOWN, Carroll, MD
Over: DORSEY RUN
0.04 MI W OF MD RTE 108, Howard, MD
Over: MIDDLE PATUXENT RIVER
1 MI W OF MD RTE 108, Howard, MD
Over: CABIN BRANCH
0.2 MI N OF CENTERWAY RD, Montgomery, MD
Over: OWENS CREEK
0.82 MILE NORTH OF US 15, Frederick, MD
Over: ARUNDEL BRANCH
.25 Mi. N. of Corporate D, Frederick, MD
Over: DORSEY BRANCH
0.5 MI E OF MD RTE 97, Howard, MD
Over: SNIB HOLLOW RUN
0.43 M E OF BR NO 0103700, Allegany, MD
Over: SLAUGHTERHOUSE BRANCH
0.11 MI W OF MD 25, Baltimore, MD
Over: DULANEY VALLEY BRANCH
3 MI N CROMWELL BRDG RD, Baltimore city, MD
Over: BACON RIDGE BRANCH
0.26 MI W OF HAWKINS ROAD, Anne Arundel, MD
Over: YOUGHIOGHENY RIVER
0.9 MI E OF W VA ST LINE, Garrett, MD
Over: LITTLE GUNPOWDER FALLS
2 MI E OF US RTE 1, Baltimore, MD
Over: UNNAMED STREAM
0.4 Mile West of MD 1, Howard, MD
Over: JAMES CREEK
1.4 MILES EAST OF MD-97, Montgomery, MD
Over: HAMILTON RUN
0.3 MI W. OF US RTE 40, Washington, MD
Over: MINEBANK RUN
0.2 MI N OF MD RTE 567, Baltimore, MD
Over: FLAT RUN
0.2 MILE SOUTH OF MD 140, Frederick, MD
Over: TRIBUTARY TO COLLINGTON
1.0 MILES SOUTH OF US 50, Prince George's, MD
Over: NEFF RUN
0.05 M N OF OMARAS AVENUE, Allegany, MD
Over: BEAVER RUN
87 FT SOUTH OF POOLE ROAD, Carroll, MD
Over: WASHINGTON RUN
1200 FT. S. OF ROUTE 28, Frederick, MD
Over: BEAVER DAM CREEK
0.8 MI NORTH OF MD 75, Frederick, MD
Over: HAINES BRANCH
0.56 MI S OF CARROLL CO, Frederick, MD
Over: PEA VINE RUN
0.86 MILE SOUTH OF US 220, Allegany, MD
Over: BROAD RUN
0.6 MI N OF GAPLAND RD, Frederick, MD
Over: WILLETT BRANCH
1 MI N OF MD RTE 190, Montgomery, MD
Over: TALBOT BRANCH
0.4 MI S OF WOODVILLE RD, Frederick, MD
Over: ROCK CREEK
1.11 MILES SW OF MD 382, Prince George's, MD
Over: WILSON OWENS BRANCH
1 MI N OF MD 408, Anne Arundel, MD
Over: CHURCH BRANCH
0.37 MI EAST OF MD 75, Frederick, MD
Over: TOMAKOKIN CREEK
0.88 MILE SOUTH OF MD 242, St. Mary's, MD
Over: CSX TRANSPORTATION
0.26 MILE NORTH OF US 1, Baltimore, MD
Over: SWANSON CREEK
EAGLE RIDGE SUBDIVISION, Charles, MD
Over: MIDDLE CREEK
AT BRANDENBURG HOLLOW RD, Frederick, MD
Over: SPRUCE RUN
0.6 MI NORTH OF MD 17, Frederick, MD
Over: TRIBUTARY OF LITTLE ANTI
0.07 MI N OF MD RTE 34, Washington, MD
Over: HUNTING CREEK
CAROLINE - DOR. CO LINE, Caroline, MD
Over: Deep Run Creek
BELLOW SPRING ELEM SCHOOL, Howard, MD
Over: MD ROUTE 410
1.1 MILES NORTH OF MD ROU, Prince George's, MD
Over: ISRAEL CREEK
0.24 MILE SOUTH OF MD 194, Frederick, MD
Over: STREET ROAD
0.92 M E OF BR NO 0114600, Allegany, MD
Over: GILLIS FALLS
.2 MI N OF BRADDOCK RD, Carroll, MD
Showing 5,001-5,050 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 |