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: AMTRAK, SERVICE ROAD
0.4 MI W OF MD 170, Anne Arundel, MD
Over: AMTRAK, SERVICE ROAD
0.4 MI W OF MD 170, Anne Arundel, MD
Over: KELLY BRANCH
0.2 MI N. OF GIRDWOOD RD, Baltimore, MD
Over: I-695, I-95 INTERCHANGE
I-95/I-695 Interchange, Baltimore, MD
Over: CLARK RUN
0.8 MI NE MUDD RD, Charles, MD
Over: CHERRY GLADE RUN
0.05 MILES EAST OF US 219, Garrett, MD
Over: BROAD CREEK
0.5 MILES E OF MD 136, Harford, MD
Over: BYNUM RUN
0.2 MILES EAST OF MD 924, Harford, MD
Over: Shady Grove Road
4.86 MI W. OF MD 97, Montgomery, MD
Over: MD 200 Ramp NW
0.4 mi S Briggs Chaney Rd, Montgomery, MD
Over: PISCATAWAY CREEK
2.40 MILES SOUTH OF MD 4, Prince George's, MD
Over: BIG ANNEMESSEX RIVER
1.5 MI N OF KINGSTON ROAD, Somerset, MD
Over: BR OF LITTLE ANTIETAM CK
0.94 MILE EAST OF MD 845A, Washington, MD
Over: GEORGES RUN
1.3 MI E FALLS RD, Baltimore city, MD
Over: LITTLE ELK CREEK
0.46 MI E OF LI ELK CK RD, Cecil, MD
Over: SEVERN RUN
1.3 M E OF GAMBRILLS RD, Anne Arundel, MD
Over: PINEY RUN
0.3 MI E OF MD ROUTE 295, Anne Arundel, MD
Over: CABBAGE RUN
0.8 MI EAST OF MD 194, Frederick, MD
Over: CRANBERRY RUN
0.22 MILE SOUTH OF US 40, Harford, MD
Over: GRAYS RUN
0.1 MILES N OF MD 7, Harford, MD
Over: SNOWDEN RIVER PARKWAY
0.86 MILE WEST OF MD 103, Howard, MD
Over: SNOWDEN RIVER PARKWAY
0.86 MILE WEST OF MD 103, Howard, MD
Over: SUCKER BRANCH
0.4 MI N OF US RTE 40, Howard, MD
Over: GUNNERS BR,CSXT RR
.5 MI S OF MIDDLEBROOK RD, Montgomery, MD
Over: SLIGO CREEK
AT MANCHESTER AVENUE, Montgomery, MD
Over: TRIBUTARY TO BEAVERDAM C
0.02 MI E OF GRAMBY ST, Prince George's, MD
Over: STREAM
50 FT S. OF SPRING ST., Prince George's, MD
Over: CSX TRANS.
2.11 MILES SOUTH OF MD 85, Frederick, MD
Over: ST JAMES RUN
AT N/S RAILROAD, Washington, MD
Over: ELK LICK RUN
100 FEET SOUTH OF MD 144, Allegany, MD
Over: EVITTS CREEK
1.04 MILES S OF MD 144AN, Allegany, MD
Over: DEEP CREEK
1.1 MI SE OF EASTERN BLVD, Baltimore, MD
Over: MARC, CSX
0.15 MI. NW. OF WASH. BLV, Baltimore city, MD
Over: TRIBUTARY EAST OF BRANCH
.91 MI W - HOUCKSVILLE RD, Carroll, MD
Over: PATUXENT RIVER
ON ANNE ARUNDEL CO LINE, Prince George's, MD
Over: CSX TRANS.
0.18 MILE EAST OF MD 65, Washington, MD
Over: NORFOLK SOUTHERN RR
0.39 MILE NORTH OF MD 346, Wicomico, MD
Over: PEA VINE RUN
0.06 MI N OF ZEMBOWER RD, Allegany, MD
Over: GWYNNS FALLS
0.15 MI N OF IS 695, Baltimore, MD
Over: GARLAND LAKE
0.5 MILES NORTH OF MD 317, Caroline, MD
Over: CLIFFORD BRANCH
0.6 MI W OPPOSSUMTOWN PIK, Frederick, MD
Over: BEAR CREEK
0.1 MI W OF PUD MILLER RD, Garrett, MD
Over: LITTLE PATUXENT RIVER
0.125 MI S OF MD RTE 32, Howard, MD
Over: WATTS BRANCH
0.2 MI S OF HURLEY AVE, Montgomery, MD
Over: FLAT RUN
0.4 MI E OF EMMITSBURG, Frederick, MD
Over: SERVICE ROAD
1.0 MI S OF RTE 1, Baltimore city, MD
Over: OWENS CREEK
AT FOXVLLE DEERFLD RD INT, Frederick, MD
Over: OWENS CREEK
AT FOXVLLE DEERFLD RD INT, Frederick, MD
Over: LITTLE CATOCTIN CREEK
AT HARMONY RD INT, Frederick, MD
Over: BEAR CREEK
0.06 MI S RABBIT HOLLOW, Garrett, MD
Showing 4,451-4,500 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.