Total Bridges
5,527
Public highway bridges in Maryland
State profile · Below national median SD
Maryland bridge safety
Condition ratings, load ratings, and structural-deficiency data for every public highway bridge in Maryland — drawn straight from the FHWA National Bridge Inventory.
- 5,527
- Public bridges
- 25.9%
- Good condition
- 4.3%
- Poor condition
- 4.3%
- Structurally deficient
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%
Maryland vs national bridge condition
Maryland — Good condition share 25.9%
National avg
Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).
Maryland — Structurally deficient share 14.2%
National avg
Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.
Condition Distribution
Bridge inventory deck-condition mix — Maryland (FHWA NBI)
Counties (24)
Allegany 245 Anne Arundel 395 Baltimore 787 Baltimore city 380 Calvert 33 Caroline 70 Carroll 205 Cecil 194 Charles 94 Dorchester 47 Frederick 491 Garrett 139 Harford 275 Howard 310 Kent 44 Montgomery 522 Prince George's 582 Queen Anne's 88 Somerset 46 St. Mary's 50 Talbot 42 Washington 301 Wicomico 100 Worcester 82
Maryland vs nearby ranks
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
Connecticut
3.95% top marginal rate
47
Tennessee
3.97% top marginal rate
24
Maryland
4.27% top marginal rate
08
Colorado
4.32% top marginal rate
41
Oregon
4.46% top marginal rate
Bridges Needing Most Attention in Maryland
Six lowest-condition bridges in Maryland, ranked by composite NBI rating. Each is inspected at least every 24 months.
OLD SELBYSPORT RD
PoorOver: BEAR CREEK
0.01 MI N OF WALNUT ST, Garrett, MD
Built 1920 Load: 2.7 t ADT: 30
ZION ROAD
PoorOver: HAWLINGS RIVER
2.8 MILES NORTH OF MD 108, Montgomery, MD
Built 1930 Load: 4.5 t ADT: 2,440
ROXBURY ROAD
PoorOver: BEAVER CREEK
0.1 MI W OF ALT US RTE 40, Washington, MD
Built 1920 Load: 7.3 t ADT: 533
TUFTON AVENUE
PoorOver: WATERSPOUT RUN
2.63 MI. WEST MD 25, Baltimore, MD
Built 1920 Load: 7.7 t ADT: 7,735
MOHRS LANE
Structurally DeficientOver: CSX RAILROAD
0.1 MI NW OF US RTE 40, Baltimore, MD
Built 1912 Load: 9.1 t ADT: 1,600
OLD MONTGOMERY RD
Structurally DeficientOver: LITTLE PATUXENT RIVER
0.5 MI W OF US RTE 29, Howard, MD
Built 1935 Load: 10.0 t ADT: 10
All Bridges in Maryland
MD 43
FairOver: BRANCH OF WHITEMARSH RUN
0.46 MILE WEST OF IS 95, Baltimore, MD
Built 1979 Load: 99.9 t ADT: 53,732
IS 695 RAMP '1'
FairOver: BRANCH OF GWYNNS FALLS
.287 M N OF OLD COURT RD, Baltimore, MD
Built 1982 Load: 99.9 t ADT: 34,582
IS 795
FairOver: BRANCH OF GWYNNS FALLS
1.04 MI N OF MCDONOUGH RD, Baltimore, MD
Built 1984 Load: 99.9 t ADT: 110,982
IS 695 & RAMPS '4'
FairOver: HERBERT RUN
0.021 MI S WILKENS AVENUE, Baltimore, MD
Built 1956 Load: 99.9 t ADT: 192,180
OLD VALLEY ROAD
FairOver: JONES FALLS
0.16 MI. S. OF MD 130, Baltimore, MD
Built 1920 Load: 99.9 t ADT: 3,531
PERRY HALL BOULEVA
FairOver: TRIBUTARY TO WHITE MARSH
0.1 MI N WHITE MARSH BLVD, Baltimore, MD
Built 1981 Load: 99.9 t ADT: 8,604
PERRY HALL BOULEVA
FairOver: WHITE MARSH RUN
0.87 MI W. EX. 67 I-95, Baltimore, MD
Built 1981 Load: 99.9 t ADT: 16,415
HONEYGO BOULEVARD
FairOver: WHITE MARSH RUN
0.3 MI SOUTH OF MD RTE 43, Baltimore, MD
Built 1980 Load: 99.9 t ADT: 23,813
HEATHCOTE ROAD
FairOver: TRIBUTARY TO BEETREE RUN
0.11 MI S OF MD 409, Baltimore, MD
Built 1974 Load: 99.9 t ADT: 135
HAZELWOOD AVENUE
FairOver: REDHOUSE CREEK
0.07 MILES WEST OF I-95, Baltimore, MD
Built 1959 Load: 99.9 t ADT: 12,388
LILLIAN HOLT DRIVE
FairOver: STEMMERS RUN
0.20 MI S. OF I695, Baltimore, MD
Built 1965 Load: 99.9 t ADT: 24,581
BEACONSFIELD DRIVE
FairOver: TRIBUTARY TO WHITE MARSH
.1 M E OF PERRY HALL BLVD, Baltimore, MD
Built 1975 Load: 99.9 t ADT: 11,478
HIGH FALCON ROAD
FairOver: TRIBUTARY TO GWYNNS FALL
0.41 MI N OF MD 140, Baltimore, MD
Built 1967 Load: 99.9 t ADT: 9,000
PADONIA ROAD
FairOver: MERRYMAN BRANCH
1.90 MI E OF MD RTE 45, Baltimore, MD
Built 1975 Load: 99.9 t ADT: 13,820
JOHNNYCAKE ROAD
FairOver: CEDAR BRANCH
CEDAR BRANCH, Baltimore, MD
Built 1975 Load: 99.9 t ADT: 3,309
GWYNNWEST ROAD
FairOver: TRIBUTARY TO GWYNNS FALL
1.0 MI. E OF MD 140, Baltimore, MD
Built 1996 Load: 99.9 t ADT: 1,442
HONEYGO BOULEVARD
FairOver: HONEYGO RUN
0.5 Mile S. of Joppa Rd., Baltimore, MD
Built 2001 Load: 99.9 t ADT: 25,109
KINTORE DRIVE
FairOver: TRIBUTARY TO WHITE MARSH
0.2 MI SW OF DUNFIELD RD, Baltimore, MD
Built 1975 Load: 99.9 t ADT: 2,100
EBONY ROAD
FairOver: TRIBUTARY TO GUNPOWDER F
2 MI NE EXIT 30 I-695, Baltimore, MD
Built 1980 Load: 99.9 t ADT: 244
BELLBECK ROAD
FairOver: TRIBUTARY TO GUNPOWDER F
1.4 MI N OF JOPPA RD, Baltimore, MD
Built 1980 Load: 99.9 t ADT: 200
GUNVIEW ROAD
FairOver: BRANCH OF GUNPOWDER FALL
0.7 MI W OF BELAIR RD, Baltimore, MD
Built 1978 Load: 99.9 t ADT: 2,323
PINEDALE DRIVE
FairOver: BRANCH OF GUNPOWDER FALL
0.4 MI. W OF JCT US 1, Baltimore, MD
Built 1980 Load: 99.9 t ADT: 6,723
LORD BALTIMORE DRI
FairOver: BRANCH OF DEAD RUN
0.5 MI N OF RT 122, Baltimore, MD
Built 1977 Load: 99.9 t ADT: 12,413
JACOBO LANE
FairOver: BRANCH OF HERRING RUN
0.1 MI S. OF GOUCHER BLVD, Baltimore, MD
Built 1975 Load: 99.9 t ADT: 454
SUNNYMEADOW LANE
FairOver: TRIBUTARY TO RED RUN
1.0 MI W OF I-795, Baltimore, MD
Built 1950 Load: 99.9 t ADT: 1,000
I-95
FairOver: WHITEMARSH RUN
0.44 MI S OF MD RTE 43, Baltimore, MD
Built 1962 Load: 99.9 t ADT: 181,802
I-95
FairOver: GUNPOWDER FALLS
3.5 MI N OF MD 43, Baltimore, MD
Built 1963 Load: 99.9 t ADT: 172,113
COLDSPRING LANE
FairOver: STONY RUN
0.4 M W CHARLES ST, Baltimore city, MD
Built 1992 Load: 99.9 t ADT: 19,796
THE ALAMEDA
FairOver: CHINQUAPIN RUN
0.7 MI N OF COLDSPRING LA, Baltimore city, MD
Built 1950 Load: 99.9 t ADT: 9,575
LOCH RAVEN BOULEVA
FairOver: CHINQUAPIN RUN
0.6 MI N COLDSPRING LA, Baltimore city, MD
Built 1932 Load: 99.9 t ADT: 32,200
LOCH RAVEN BOULEVA
FairOver: CHINQUAPIN RUN
0.6 MI N COLDSPRING LA, Baltimore city, MD
Built 1932 Load: 99.9 t ADT: 32,200
WOODBOURNE AVENUE
FairOver: CHINQUAPIN RUN
0.2 MI E OF THE ALAMEDA, Baltimore city, MD
Built 1956 Load: 99.9 t ADT: 13,340
ANNAPOLIS ROAD
FairOver: GWYNNS FALLS
0.1 MI E RUSSELL ST, Baltimore city, MD
Built 1974 Load: 99.9 t ADT: 9,896
IS 95
FairOver: MOORES RUN
0.30 MILES N OF US RT 40, Baltimore city, MD
Built 1971 Load: 99.9 t ADT: 121,313
MD 2 & 4
FairOver: JOHNS CREEK
0.19 M S OF NURSERY ROAD, Calvert, MD
Built 1987 Load: 99.9 t ADT: 26,941
DALRYMPLE ROAD
FairOver: FISHING CREEK
2.25 MI SE OF MD 2, Calvert, MD
Built 2000 Load: 99.9 t ADT: 375
BALL ROAD
FairOver: ST. LEONARD CREEK
0.3 MILES WEST OF MD 2-4, Calvert, MD
Built 1980 Load: 99.9 t ADT: 1,360
MD 480
FairOver: FORGE BRANCH
1.88 MILE WEST OF MD 314, Caroline, MD
Built 1932 Load: 99.9 t ADT: 4,261
MD 306
FairOver: HOUSTON BRANCH
0.1 M W OF TURNER ROAD, Caroline, MD
Built 1955 Load: 99.9 t ADT: 282
MD 404
FairOver: SMITHVILLE DITCH
0.295 M W OF BULLOCK ROAD, Caroline, MD
Built 1957 Load: 99.9 t ADT: 8,721
LOG CABIN ROAD
FairOver: TRIB OF TUCKAHOE CREEK
2 MI S OF MD RTE 404, Caroline, MD
Built 1975 Load: 99.9 t ADT: 268
WILKINS BRANCH ROA
FairOver: FOWLING CREEK
0.31 MI W OF MD 16, Caroline, MD
Built 2000 Load: 99.9 t ADT: 320
HOG CREEK ROAD
FairOver: HOG CREEK
1 MI E OF MD RTE 578, Caroline, MD
Built 1989 Load: 99.9 t ADT: 410
SUNSET AVENUE
FairOver: FORGE BRANCH
0.9 MI EAST OF MD 480, Caroline, MD
Built 1989 Load: 99.9 t ADT: 2,155
DETOUR ROAD
FairOver: TRIB OF CHOPTANK RIVER
0.8 MILES EAST OF MD 16, Caroline, MD
Built 1973 Load: 99.9 t ADT: 165
MD 852G
FairOver: CRANBERRY BRANCH
.12 MILE NORTH OF MD 852H, Carroll, MD
Built 1985 Load: 99.9 t ADT: 1,150
MD 97
FairOver: SILVER RUN
2.31 MI S OF PA LINE, Carroll, MD
Built 1987 Load: 99.9 t ADT: 10,250
MD 27
FairOver: WEST BRANCH PATAPSCO RIV
.04 MILE SOUTH OF MD 852G, Carroll, MD
Built 1959 Load: 99.9 t ADT: 18,790
MD 75
FairOver: ABANDON MILL RUN
0.05 MI N OF FREDERICK CO, Carroll, MD
Built 1982 Load: 99.9 t ADT: 2,172
MD 27
FairOver: LITTLE PIPE CREEK
0.4 MILE NORTH OF MD 808B, Carroll, MD
Built 1991 Load: 99.9 t ADT: 10,690
Showing 3,601-3,650 of 5,527 bridges
Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges Editorial.
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 |