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
DR. MILLER ROAD
FairOver: WEST BRANCH
0.86 MI N OF MD 272, Cecil, MD
Built 1992 Load: 42.2 t ADT: 1,470
BUMPY OAK ROAD
FairOver: MATTAWOMAN CREEK
0.8 MI N ASHLAND RD, Charles, MD
Built 1978 Load: 42.2 t ADT: 4,509
US 50 WB
FairOver: BIG MILL POND
3.21 MILES WEST OF MD 331, Dorchester, MD
Built 1996 Load: 42.2 t ADT: 23,981
CREAMERY ROAD
FairOver: BRANCH OF FLAT RUN
0.1 MI S OF E MAIN STREET, Frederick, MD
Built 1991 Load: 42.2 t ADT: 1,817
MD 495
FairOver: CRABTREE CREEK
2.74 MILES N OF MD 135, Garrett, MD
Built 1934 Load: 42.2 t ADT: 1,711
GLENDALE ROAD
FairOver: DEEP CREEK LAKE
0.9 MI E OF US RTE 219, Garrett, MD
Built 1924 Load: 42.2 t ADT: 3,850
MD 94
FairOver: PATUXENT RIVER
ON MONTGOMERY CO LINE, Howard, MD
Built 1990 Load: 42.2 t ADT: 3,022
BROCCOLINO WAY
FairOver: UNNAMED STREAM
1/8 MI S OF TRIADELPHIA R, Howard, MD
Built 2007 Load: 42.2 t ADT: 50
MD 212A
FairOver: INDIAN CREEK
0.07 MILE NORTH OF MD 694, Prince George's, MD
Built 1937 Load: 42.2 t ADT: 19,631
TEMPLE HILL ROAD
FairOver: TRIB TO HENSON CREEK
1 MILE SOUTH OF I-495, Prince George's, MD
Built 1962 Load: 42.2 t ADT: 17,853
US 50 WB/301 SB
FairOver: PINEY CREEK
1.21 MILES EAST OF MD 552, Queen Anne's, MD
Built 1950 Load: 42.2 t ADT: 65,701
IS 70 EB
FairOver: HOPEWELL RD
0.41 MILE WEST OF IS 81, Washington, MD
Built 1964 Load: 42.2 t ADT: 53,350
IS 70 WB
FairOver: HOPEWELL RD
0.41 MILE WEST OF IS 81, Washington, MD
Built 1964 Load: 42.2 t ADT: 53,350
IS 70 EB
FairOver: ST PAUL RD
1.84 MILES EAST OF MD 68, Washington, MD
Built 1965 Load: 42.2 t ADT: 40,770
IS 70 WB
FairOver: ST PAUL RD
1.84 MILES EAST OF MD 68, Washington, MD
Built 1965 Load: 42.2 t ADT: 40,770
DOGSTREET ROAD
FairOver: DOG CREEK
0.64 MI W OF MD RTE 67, Washington, MD
Built 1900 Load: 42.2 t ADT: 874
KENT STREET
FairOver: SILVER CREEK
0.1 MI E KENSINGTON PKWY, Montgomery, MD
Built 1940 Load: 42.5 t ADT: 3,407
IS 595
FairOver: PATUXENT RIVER
ON PRINCE GEORGES CO LINE, Anne Arundel, MD
Built 1951 Load: 42.6 t ADT: 81,102
MD 100 EBR
FairOver: DEEP RUN
ON HOWARD COUNTY LINE, Anne Arundel, MD
Built 1996 Load: 42.6 t ADT: 56,840
CATHERINE AVENUE
FairOver: MAGOTHY BRANCH
0.5 MI. SOUTH OF MD 100, Anne Arundel, MD
Built 1970 Load: 42.6 t ADT: 9,124
MD 128
FairOver: WESTERN RUN
2.36 MILE WEST OF MD 25, Baltimore, MD
Built 1945 Load: 42.6 t ADT: 2,991
MD 702 EBR
FairOver: FORCE MAIN
0.03 MILE EAST OF MD 695, Baltimore, MD
Built 1972 Load: 42.6 t ADT: 18,644
BOYCE AVENUE
FairOver: ROLAND RUN BRANCH
0.17 MI W OF MD 139, Baltimore, MD
Built 1920 Load: 42.6 t ADT: 1,194
I-83 RAMP D
FairOver: RAMP B
0.3 MI. E OF CALVERT ST, Baltimore city, MD
Built 1976 Load: 42.6 t ADT: 6,518
I-83 NB OFF RAMP T
FairOver: STORAGE AREA
0.30 MI N. OF NORTH AVE., Baltimore city, MD
Built 1987 Load: 42.6 t ADT: 16,217
SAMS CREEK ROAD
FairOver: SAMS CREEK
0.2 M S OF MARSTON ROAD, Carroll, MD
Built 1989 Load: 42.6 t ADT: 906
RUNKLES ROAD
FairOver: MIDDLE RUN
0.57 MI N OF BOTELER RD, Carroll, MD
Built 1966 Load: 42.6 t ADT: 589
EDEN MILL ROAD
FairOver: TUCKERS BRANCH
0.27 MI WEST OF MD 97, Carroll, MD
Built 1969 Load: 42.6 t ADT: 1,535
SUICIDE BRIDGE RD
FairOver: CABIN CREEK
1.34 MI N SECRETARY ., Dorchester, MD
Built 2005 Load: 42.6 t ADT: 1,082
MD 26
FairOver: MONOCACY RIVER
0.2 MILE WEST OF MD 194, Frederick, MD
Built 1932 Load: 42.6 t ADT: 16,275
COLLEGE AVENUE
FairOver: CARROLL CREEK
790' NORTH OF MD 144, Frederick, MD
Built 1925 Load: 42.6 t ADT: 1,470
MONOCACY BOULEVARD
FairOver: MONOCACY RIVER
0.1 MI SOUTH OF GAS HOUSE, Frederick, MD
Built 1966 Load: 42.6 t ADT: 5,912
US 50
FairOver: CSX TRANS & N BR POT RIV
ON WEST VIRGINIA LINE, Garrett, MD
Built 1985 Load: 42.6 t ADT: 1,546
AIRPARK ROAD
FairOver: TRIBUTARY TO ROCK CREEK
0.6 MI NE OF JCT MD 115, Montgomery, MD
Built 1994 Load: 42.6 t ADT: 41,097
KENDALE ROAD
FairOver: KEN BRANCH
0.4 MI NORTH OF MD 191, Montgomery, MD
Built 2002 Load: 42.6 t ADT: 571
OXFORD DRIVE
FairOver: BEAR BRANCH
250 FT S OF ASHFORD BLVD, Prince George's, MD
Built 1985 Load: 42.6 t ADT: 1,900
METZEROTT ROAD
FairOver: PAINT BRANCH
0.03 MI W OF US 1, Prince George's, MD
Built 1900 Load: 42.6 t ADT: 15,335
MD 667
FairOver: MARUMSCO CREEK
0.47 M E OF LOVERS LANE, Somerset, MD
Built 1976 Load: 42.6 t ADT: 2,520
US 50 EB
FairOver: NORTH BRANCH SKIPTON CRE
0.86 MILE EAST OF MD 662B, Talbot, MD
Built 1960 Load: 42.6 t ADT: 31,938
US 50 EB
FairOver: SOUTH BRANCH SKIPTON CRE
0.66 MILE WEST OF MD 662B, Talbot, MD
Built 1960 Load: 42.6 t ADT: 31,938
MD 328
FairOver: WOOTENAUX CREEK
2.32 MILES EAST OF US 50, Talbot, MD
Built 1936 Load: 42.6 t ADT: 10,230
IS 70 WB
FairOver: ASHTON RD
0.76 MILE EAST OF MD 68, Washington, MD
Built 1965 Load: 42.6 t ADT: 40,770
IS 70 EB
FairOver: BEAVER CREEK
0.08 MILE WEST OF MD 66, Washington, MD
Built 1968 Load: 42.6 t ADT: 72,140
McFARLAND ROAD
FairOver: BEAR CREEK
0.08 MI E OF ALL-WASH CO, Washington, MD
Built 1916 Load: 42.6 t ADT: 183
SNOW HILL ROAD
FairOver: E. BRANCH OF WICOMICO RI
150 FT S EAST MAIN ST, Wicomico, MD
Built 1928 Load: 42.6 t ADT: 12,025
FIVE BRIDGES ROAD
FairOver: DIVIDING CREEK
WOR-SOMER CO LINE, Worcester, MD
Built 1995 Load: 42.6 t ADT: 75
OCEAN PARKWAY
FairOver: CANAL
1000' NORTH OF MD 90, Worcester, MD
Built 1970 Load: 42.6 t ADT: 6,440
CLUBHOUSE DRIVE
FairOver: CANAL
1200' WEST OF OCEAN PKWY, Worcester, MD
Built 1970 Load: 42.6 t ADT: 1,250
US 40 SCN
FairOver: SNIB HOLLOW RUN
0.48 M E OF STONE ROAD, Allegany, MD
Built 1916 Load: 43.1 t ADT: 281
FLINTSTONE CREEK R
FairOver: FLINTSTONE CREEK
0.30 MI S OF PA LINE, Allegany, MD
Built 1930 Load: 43.1 t ADT: 141
Showing 2,501-2,550 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 |