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

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%

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)

Maryland25.909173149990956%49.140582594535914%GoodFairPoorStructurally Deficient
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
Structure
Progressive
Burden @ $100K
$4,277

47

Tennessee

3.97% top marginal rate
Structure
Progressive
Burden @ $100K
$20,426
Selected

24

Maryland

4.27% top marginal rate
Structure
Progressive
Burden @ $100K
$5,527

08

Colorado

4.32% top marginal rate
Structure
Progressive
Burden @ $100K
$8,965

41

Oregon

4.46% top marginal rate
Structure
Progressive
Burden @ $100K
$8,310

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

Poor

Over: BEAR CREEK

0.01 MI N OF WALNUT ST, Garrett, MD

Built 1920 Load: 2.7 t ADT: 30

ZION ROAD

Poor

Over: HAWLINGS RIVER

2.8 MILES NORTH OF MD 108, Montgomery, MD

Built 1930 Load: 4.5 t ADT: 2,440

ROXBURY ROAD

Poor

Over: BEAVER CREEK

0.1 MI W OF ALT US RTE 40, Washington, MD

Built 1920 Load: 7.3 t ADT: 533

TUFTON AVENUE

Poor

Over: WATERSPOUT RUN

2.63 MI. WEST MD 25, Baltimore, MD

Built 1920 Load: 7.7 t ADT: 7,735

MOHRS LANE

Structurally Deficient

Over: 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 Deficient

Over: 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

WOODYARD ROAD

Good

Over: LONG MARSH DITCH

1.6 MI S OF MD 302, Caroline, MD

Built 1988 Load: 99.9 t ADT: 345

EVELAND ROAD

Good

Over: PINEY BRANCH

3 MILES NORTH OF MD 404, Caroline, MD

Built 1975 Load: 99.9 t ADT: 635

TAYLOR ROAD

Good

Over: LONG MARSH DITCH

2 MILES EAST OF MD 313, Caroline, MD

Built 2000 Load: 99.9 t ADT: 184

MD 854A

Good

Over: LITTLE MORGAN RUN

1.05 MI N OF BUSHEY RD, Carroll, MD

Built 1976 Load: 99.9 t ADT: 647

FRETER ROAD

Good

Over: PINEY RUN

0.40 MI SOUTH OF MD 26, Carroll, MD

Built 2004 Load: 99.9 t ADT: 806

MAHURON ROAD

Good

Over: UNNAMED STREAM

75 FT. S. OLD WEST. PIKE, Carroll, MD

Built 2008 Load: 99.9 t ADT: 320

MD 5 NBR

Good

Over: TRIB TO JORDAN SWAMP

.14 MILE SOUTH OF MD 5 BU, Charles, MD

Built 1964 Load: 99.9 t ADT: 38,312

MIDDLETOWN ROAD

Good

Over: UNNAMED TRIBUTARY

0.3 MI S OF SMALLWOOD DR, Charles, MD

Built 2006 Load: 99.9 t ADT: 3,635

BILLINGSLEY ROAD

Good

Over: UNNAMED TRIBUTARY

0.24 MI E OF MIDDLETOWN, Charles, MD

Built 2006 Load: 99.9 t ADT: 17,493

SILENT CREEK ROAD

Good

Over: WETLANDS

.4 MI N OF BILLINGSLEY RD, Charles, MD

Built 2005 Load: 99.9 t ADT: 732

CHERYL TURN

Good

Over: TRIBUTARY TO PINEY BRANC

1.5 MI NW of US301-MD228, Charles, MD

Built 2021 Load: 99.9 t ADT: 100

DRAWBRIDGE RD

Good

Over: MIDDLETOWN BRANCH

4.45 MI SE OF US RTE 50, Dorchester, MD

Built 1950 Load: 99.9 t ADT: 634

LINKWOOD DRIVE

Good

Over: HIGGINS MILLPOND

0.77 MI W OF US RTE 50, Dorchester, MD

Built 1991 Load: 99.9 t ADT: 1,117

MD 17

Good

Over: DRY RUN

3.10 MI S OF WASH CO, Frederick, MD

Built 1981 Load: 99.9 t ADT: 3,480

NEW DESIGN ROAD

Good

Over: TUSCARORA CREEK

0.53 MI S OF MD RTE 28, Frederick, MD

Built 1982 Load: 99.9 t ADT: 125

CAP STINE ROAD

Good

Over: BR OF TUSCARORA CREEK

AT HOWARD STUP RD INTER, Frederick, MD

Built 1975 Load: 99.9 t ADT: 183

WINCHESTER BOULEVA

Good

Over: TRIBUTARY OF TUSCARORA C

0.1 MI E OF MOUNTVILLE RD, Frederick, MD

Built 1992 Load: 99.9 t ADT: 350

WILLOW BROOK ROAD

Good

Over: TUSCARORA CREEK

0.1 MI SOUTH OF WILLOW RD, Frederick, MD

Built 1982 Load: 99.9 t ADT: 3,811

CORPORATE DRIVE

Good

Over: KING BRANCH

.5 MI. WEST OF NEW DESIGN, Frederick, MD

Built 1992 Load: 99.9 t ADT: 8,118

CORPORATE DRIVE

Good

Over: ARUNDEL BRANCH

0.25 MI W OF NEW DESIGN R, Frederick, MD

Built 1990 Load: 99.9 t ADT: 6,273

CRESTWOOD BLVD

Good

Over: ARUNDEL BRANCH

.2 MI E. OF NEW DESIGN RD, Frederick, MD

Built 1990 Load: 99.9 t ADT: 9,500

CORPORATE DRIVE

Good

Over: PIKE BRANCH

0.39 MI EAST OF BALLENGER, Frederick, MD

Built 1993 Load: 99.9 t ADT: 5,986

CORPORATE DRIVE

Good

Over: PIKE BRANCH

0.40 MI EAST OF BALLENGER, Frederick, MD

Built 1993 Load: 99.9 t ADT: 5,986

ANGLEBERGER ROAD

Good

Over: SANDY RUN

2.5 MILES EAST OF US 15, Frederick, MD

Built 1982 Load: 99.9 t ADT: 122

WILHIDE ROAD

Good

Over: LITTLE HUNTING CREEK

0.37 MI S OF BLACKS MILL, Frederick, MD

Built 1982 Load: 99.9 t ADT: 153

IRISHTOWN ROAD

Good

Over: FLAT RUN

0.8 MI NORTH OF EMMITSBRG, Frederick, MD

Built 1982 Load: 99.9 t ADT: 201

HAYES ROAD

Good

Over: MIDDLE CREEK

AT BRANDENBURG HOLLOW RD, Frederick, MD

Built 1981 Load: 99.9 t ADT: 27

PRICES DISTILLERY

Good

Over: FAHRNEY BRANCH

1.0 MI S OF MD RTE. 80, Frederick, MD

Built 1983 Load: 99.9 t ADT: 750

ARLINGTON MILL RD

Good

Over: TOWN BRANCH

0.1 MILE WEST OF MD 75, Frederick, MD

Built 1997 Load: 99.9 t ADT: 125

SPRING RIDGE PRKWY

Good

Over: LONG BRANCH

AT MD 144 INTERSECTION, Frederick, MD

Built 1991 Load: 99.9 t ADT: 5,407

RIDGEFIELD DRIVE

Good

Over: LONG BRANCH

JUST NORTH OF MD 144, Frederick, MD

Built 1991 Load: 99.9 t ADT: 2,707

BENTZEL ROAD

Good

Over: BRANCH OF FRIENDS CREEK

175' FROM MD RTE 550, Frederick, MD

Built 1980 Load: 99.9 t ADT: 126

CASH SMITH ROAD

Good

Over: ISRAEL CREEK

0.25 MI N OF COPPERMINE R, Frederick, MD

Built 1982 Load: 99.9 t ADT: 149

LANDER ROAD

Good

Over: LANDER BRANCH

0.75 MI W OF MD RTE 464, Frederick, MD

Built 1982 Load: 99.9 t ADT: 74

OLD MIDDLETOWN RD

Good

Over: LEWIS MILL BRANCH

1.62 MI N OF MD RTE 180, Frederick, MD

Built 1962 Load: 99.9 t ADT: 2,532

KELBAUGH ROAD

Good

Over: LITTLE OWENS CREEK

AT SMITH ROAD INTERSECTN, Frederick, MD

Built 1974 Load: 99.9 t ADT: 392

WARD KLINE ROAD

Good

Over: LITTLE CATOCTIN CREEK

JUST EAST OF EASTERDAY RD, Frederick, MD

Built 1981 Load: 99.9 t ADT: 138

EASTERDAY ROAD

Good

Over: LITTLE CATOCTIN CREEK

1.25 MI N OF US RTE 40, Frederick, MD

Built 1982 Load: 99.9 t ADT: 196

MONUMENT ROAD

Good

Over: GRINDSTONE RUN

0.87 MI WEST OF MD 17, Frederick, MD

Built 1977 Load: 99.9 t ADT: 421

MOUNT TABOR ROAD

Good

Over: TRIB. OF CATOCTIN CREEK

0.2 MI N OF MILT SUMMERS, Frederick, MD

Built 1995 Load: 99.9 t ADT: 220

MONUMENT ROAD

Good

Over: GRINDSTONE RUN

1.35 MI WEST OF MD 17, Frederick, MD

Built 1977 Load: 99.9 t ADT: 311

GOOD INTENT ROAD

Good

Over: BEAVER DAM CREEK

AT WACHTER RD INTERSECTN, Frederick, MD

Built 1972 Load: 99.9 t ADT: 616

BUNKER HILL ROAD

Good

Over: BEAVER DAM CREEK

AT WACHTER RD INTERSECTN, Frederick, MD

Built 1962 Load: 99.9 t ADT: 212

WOODVILLE ROAD

Good

Over: SOUTH FORK LINGANORE CRK

0.5 MI S OF HARRISVILLE R, Frederick, MD

Built 1972 Load: 99.9 t ADT: 909

MARKER ROAD

Good

Over: MIDDLE CREEK

0.2 MI N OF BIDLE ROAD, Frederick, MD

Built 2008 Load: 99.9 t ADT: 246

PICNIC WOODS ROAD

Good

Over: BROAD RUN

0.5 MI N OF MD RTE 17, Frederick, MD

Built 1974 Load: 99.9 t ADT: 466

PICNIC WOODS ROAD

Good

Over: BROAD RUN

0.4 MI S OF MD RTE 17, Frederick, MD

Built 1974 Load: 99.9 t ADT: 403

CAP STINE ROAD

Good

Over: TUSCARORA CREEK

0.2 MI NE OF MANOR WOODS, Frederick, MD

Built 1985 Load: 99.9 t ADT: 451

WYE CREEK DRIVE

Good

Over: TRIBUTARY OF RENN

0.3 MI NORTH OF MD RT 180, Frederick, MD

Built 1960 Load: 99.9 t ADT: 50

MOUNT PHILLIP ROAD

Good

Over: BALLENGER CREEK

1 MI. SW OF OLD CAMP ROAD, Frederick, MD

Built 1975 Load: 99.9 t ADT: 1,913

Showing 5,151-5,200 of 5,527 bridges

Related

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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.