Total Bridges
5,527
Public highway bridges in Maryland
State profile · Below median Poor share
Condition ratings, load ratings, and Poor-condition data for every public highway bridge in Maryland, based on the FHWA National Bridge Inventory.
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%
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 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
TN
MD
CO
OR
Six lowest-condition bridges in Maryland, ranked by the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.
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: GUNPOWDER FALLS
1.92 M N OF MD 137, Baltimore, MD
Over: NORFOLK SOUTHERN RR
0.18 MILE SOUTH OF MD 151, Baltimore, MD
Over: CSX RAILROAD
0.09 MI N OF US 40, Baltimore, MD
Over: PRETTYBOY BRANCH
1.7 MI NE OF FORESTON RD, Baltimore city, MD
Over: B & O RR
0.25 MI S OF PULASKI HWY, Baltimore city, MD
Over: BEAR BRANCH
0.76 MILE EAST OF MD 97, Carroll, MD
Over: BRANCH OF STONE RUN
1.45 MILE NORTH OF MD 276, Cecil, MD
Over: PRINCIPIO CREEK
0.03 MI S OF LINTON R RD, Cecil, MD
Over: AMTRAK
0.32 MI S OF US 40, Cecil, MD
Over: BR OF POTOMAC RIVER
0.58 MI E OF ROCK HALL RD, Frederick, MD
Over: ROCK CREEK
0.01 M E OF ROCK CREEK DR, Frederick, MD
Over: TUSCARORA CREEK
0.9 MI. NORTH OF MD 26, Frederick, MD
Over: GLADE RUN
1.45 MILES S OF PA LINE, Garrett, MD
Over: SAND SPRING RD
0.66 MILE EAST OF W VA, Garrett, MD
Over: WEST BRANCH
1.03 MILES N OF MD 152, Harford, MD
Over: CSX TRANSPORTATION
ON ANNE ARUNDEL CO LINE, Howard, MD
Over: MIDDLE PATUXENT RIVER
1.3 MI N OF MD RTE 108, Howard, MD
Over: ROCK CREEK
1.5 MILES EAST OF MD 355, Montgomery, MD
Over: CABIN JOHN CREEK
0.1 MI S OF JCT SR MD 190, Montgomery, MD
Over: PAINT BRANCH
1.37 MILES N OF IS 495, Prince George's, MD
Over: FOLLY BRANCH
1.11 MILES WEST OF MD 193, Prince George's, MD
Over: BALD HILL BRANCH
0.22 MI NE OF MD 450, Prince George's, MD
Over: NORFOLK & WESTERN RR
0.75 MILE NORTH OF IS 70, Washington, MD
Over: SIDELING HILL CREEK
ON ALLEGANY CO LINE, Washington, MD
Over: LITTLE CONOCOCHEAGUE CRE
0.19 MI N OF IS 70, Washington, MD
Over: LITTLE ANTIETAM CREEK
0.45 MI W OF MD RTE 67, Washington, MD
Over: ROCKHOLD CREEK
0.94 MI W OF MD 258, Anne Arundel, MD
Over: AMTRAK, PATAPSCO RIVER
0.96 MI N OF MD 295, Anne Arundel, MD
Over: EDMONDSON AVENUE
0.48 MILE NORTH OF MD 144, Baltimore, MD
Over: WEST BRANCH HERBERT RUN
0.5 MI N SULPHUR SPRING R, Baltimore, MD
Over: B&O RR
Milepost M52.0, Baltimore city, MD
Over: PINEY CREEK
.7 M SE OF BULLFROG RD, Carroll, MD
Over: BEAVER RUN
0.23 MI WEST OF MD 91, Carroll, MD
Over: LONG BRANCH
0.17 MILE NORTH OF MD 285, Cecil, MD
Over: PLUM CREEK
4 MI NW CHESAPEAKE CITY, Cecil, MD
Over: BRANCH OF OCTORARO CREEK
0.04 MI E OF JOHNSON RD, Cecil, MD
Over: NANJEMOY CREEK
1.4 MILES WEST OF MD 425, Charles, MD
Over: ALLENS FRESH RUN
1.0 MILE EAST OF US 301, Charles, MD
Over: LITTLE CATOCTIN CREEK
1.31 MILES WEST OF MD 79, Frederick, MD
Over: US 15
0.49 MILE EAST OF IS 70, Frederick, MD
Over: CSX TRANS., LITTLE YOUGH
.26 MILE SOUTH OF US 219A, Garrett, MD
Over: BYNUM RUN
1.6 MILES E OF MD 924, Harford, MD
Over: JOPPATOWNE CANAL
0.05 MI S OF TOWNE CNT DR, Harford, MD
Over: PATUXENT RIVER
ON PRINCE GEORGES CO LINE, Howard, MD
Over: STANSFIELD RD
0.50 MI N OF PG CO, Howard, MD
Over: SEVEN LOCKS RD
0.59 MILE EAST OF MD 190, Montgomery, MD
Over: MILL CREEK
1.1 MI SOUTH OF MD 115, Montgomery, MD
Over: TRIBUTARY TO MUDDY BRANC
0.7 MILES NORTH OF MD 28, Montgomery, MD
Over: TRUCK STREET
0.16 MI NORTH OF MD 28, Montgomery, MD
Over: CSX TRANS.
0.08 MILE NORTH OF US 1, Prince George's, MD
Showing 2,651-2,700 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). 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.