State profile · Below median Poor share

Maryland bridge safety

Condition ratings, load ratings, and Poor-condition data for every public highway bridge in Maryland, based on the FHWA National Bridge Inventory.

5,527
Public bridges
25.9%
Good condition
4.3%
Poor condition

Data updated May 2026

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 whose lowest applicable component is rated 0-4

-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 - Poor-condition share 14.2%
National avg

Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.

Condition Distribution

Maryland32.7%62%GoodFairPoor
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 by Poor-condition share (lower share = better)

States are ranked by the share of bridges whose lowest applicable component rating is 4 or below. This describes recorded condition; it does not measure funding effectiveness or live crossing safety. States here sit immediately above and below Maryland on the same metric.

CT

Connecticut

3.95% top marginal rate
Structure
Progressive
Burden @ $100K
$4,277

TN

Tennessee

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

MD

Maryland

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

CO

Colorado

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

OR

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 the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.

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

Poor

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

Poor

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

NEW ROW ROAD

Poor

Over: DUTCH HOLLOW RUN

AT INTERSECTION MD 36, Allegany, MD

Built 1935 Load: 79.4 t ADT: 669

BROKEN LAND PARKWA

Poor

Over: TRIB LITTLE PATUXENT R

At Cradlerock Way, Howard, MD

Built 1972 Load: 79.8 t ADT: 10,000

THREE BRIDGES ROAD

Poor

Over: BURNT MILL BRANCH

0.5 MI E OF MD RTE 94, Wicomico, MD

Built 1967 Load: 84.8 t ADT: 897

BROWN ROAD

Poor

Over: ROARING RUN

0.2 MI NE OF MD 140, Carroll, MD

Built 1985 Load: 86.6 t ADT: 395

MD 36

Poor

Over: JENNINGS RUN

0.33 MILE SOUTH OF MD 638, Allegany, MD

Built 1987 Load: 99.9 t ADT: 1,320

HOSPITAL DRIVE

Poor

Over: MARLEY CREEK

0.4 MI. E. OF OAKWOOD RD, Anne Arundel, MD

Built 1991 Load: 99.9 t ADT: 4,097

TOWN CENTER BLVD.

Poor

Over: TRIBUTARY TO SEVERN RUN

0.5 MI. N OF MD32, Anne Arundel, MD

Built 1988 Load: 99.9 t ADT: 7,820

McKENDREE ROAD

Poor

Over: LYONS CREEK

1.9 MI EAST OF ROUTE 4, Anne Arundel, MD

Built 1965 Load: 99.9 t ADT: 623

KING AVENUE

Poor

Over: BRANCH OF WHITE MARSH RU

0.5 MI NW OF SR 7, Baltimore, MD

Built 1978 Load: 99.9 t ADT: 18,643

REMINGTON AVENUE

Poor

Over: STONEY RUN

0.9 MI N OF NORTH AVE, Baltimore city, MD

Built 1900 Load: 99.9 t ADT: 4,280

MD 225

Poor

Over: BR OF MATTAWOMAN CREEK

0.02 MILE WEST OF MD 224, Charles, MD

Built 1951 Load: 99.9 t ADT: 8,750

HANCOCK RUN ROAD

Poor

Over: HANCOCK RUN

0.1 MI W MD RTE 6, Charles, MD

Built 1970 Load: 99.9 t ADT: 240

CELESTIAL LANE

Poor

Over: SWANSON CREEK

1 MI E. GALLANT GREEN RD, Charles, MD

Built 1992 Load: 99.9 t ADT: 1,228

LILY PONS ROAD

Poor

Over: LOCUST RUN

0.07 MI EAST OF MD RTE 85, Frederick, MD

Built 1977 Load: 99.9 t ADT: 394

LYNN BURKE ROAD

Poor

Over: CHURCH BRANCH

0.1 MI N OF WELLER ROAD, Frederick, MD

Built 1965 Load: 99.9 t ADT: 2,175

BRETHREN CHURCH RD

Poor

Over: CATOCTIN CREEK

0.75 MI EAST OF MD 17, Frederick, MD

Built 1986 Load: 99.9 t ADT: 821

ILCHESTER ROAD

Poor

Over: BONNIE BRANCH

AT BONNIE BRANCH RD, Howard, MD

Built 1945 Load: 99.9 t ADT: 1,281

QUARTER STAFF ROAD

Poor

Over: TRIB TO LITTLE PATUXENT

1000' NW of Martin Ln, Howard, MD

Built 1972 Load: 99.9 t ADT: 300

SUMMER HOLLOW LN

Poor

Over: UNNAMED STREAM

1/8 MI S OF MD 108, Howard, MD

Built 1972 Load: 99.9 t ADT: 500

WESLEY LANE

Poor

Over: BRANCH OF DEEP RUN

50' east of MD 103, Howard, MD

Built 1972 Load: 99.9 t ADT: 500

MIDCOUNTY HWY & MI

Poor

Over: MILL CREEK

.5 MI W OF SHADY GROVE RD, Montgomery, MD

Built 1984 Load: 99.9 t ADT: 31,600

HAWKINS LANDING DR

Poor

Over: GREAT SENECA CREEK TRIBU

.06 M W OF HAWK. CREAM. R, Montgomery, MD

Built 2002 Load: 99.9 t ADT: 132

HOWELL ROAD

Poor

Over: BOOZE CREEK

900 FT. W. OF MD 191, Montgomery, MD

Built 1959 Load: 99.9 t ADT: 105

RABBITT ROAD

Poor

Over: LONG DRAUGHT BRANCH

1 MILE SOUTH OF MD 117, Montgomery, MD

Built 1982 Load: 99.9 t ADT: 1,329

CLARA BARTON PARKW

Poor

Over: CLARA BARTON PARKWAY (SB

0.1 MILES WEST OF MACARTH, Montgomery, MD

Built 1959 Load: 99.9 t ADT: 40,057

KEPNER COURT

Poor

Over: TRIBUTARY TO NORTHEAST B

0.9 MI N OF GOOD LUCK RD, Prince George's, MD

Built 1960 Load: 99.9 t ADT: 240

MADELEY LANE

Poor

Over: TRIB TO PATUXENT RIVER

0.5 MI NORTH OF MD 450, Prince George's, MD

Built 1962 Load: 99.9 t ADT: 4,608

Showing 5,501-5,527 of 5,527 bridges

Related

All states → | National rankings → | Understanding conditions → | Retired SD term explained →
Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges.

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). Poor condition is an inspection-record category, not a closure or unsafe-to-cross designation. Consult the bridge owner for current status.

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.

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.