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: CSX RAILROAD
.28 MI. N. OF MD 117, Montgomery, MD
Over: Little Paint Branch
1.23 MI W OF I-95, Prince George's, MD
Over: SEMPLE RUN
0.25 MILE WEST OF IS 81, Washington, MD
Over: NORTHEAST CREEK
@ MD 695 & MD 702, Baltimore, MD
Over: PEDDLER RUN
1.4 MI NE MD 136, Harford, MD
Over: TROTTS BRANCH
2.1 MI S OF MD 258, Anne Arundel, MD
Over: PATAPSCO RIVER FLATS
I-895 Mileposts 5.3-5.9, Baltimore, MD
Over: HERRING RUN
0.2 MI W HARFORD RD, Baltimore city, MD
Over: UNNAMED TRIBUTARY
KINGSVIEW SUBDIVISION, Charles, MD
Over: CATOCTIN CREEK
0.5 MI SOUTH OF ALT US 40, Frederick, MD
Over: TOMS CREEK
0.4 MI SOUTH OF GRIMES RD, Frederick, MD
Over: TRIBUTARY OF BALLENGER C
W OF BALLENGER CREEK PIKE, Frederick, MD
Over: TRIBUTARY TO LITTLE GUNP
0.3 MILES N OF MD 7, Harford, MD
Over: HAMMONDS BRANCH
0.2 MI S OF GORMAN RD, Howard, MD
Over: AMTRAK
0.1 MILE EAST OF MD 564, Prince George's, MD
Over: COLLINGTON BRANCH
1.2 MILES WEST OF US 301, Prince George's, MD
Over: LITTLE MILL CREEK
0.38 MI EAST OF MD 371, Worcester, MD
Over: BOXIRON CREEK
2.54 MI SE OF MD 12, Worcester, MD
Over: LONG GREEN CREEK
0.03 MI S OF LONG GRN RD, Baltimore, MD
Over: HORSEHEAD BRANCH
1.55 MI N. OF RT. 26, Baltimore, MD
Over: CSX, GWYNN'S FALLS
1.1 MI E. OF MD 140, Baltimore, MD
Over: I-95 Ramps G & H
3.2mi N of I-695/I-95, Baltimore, MD
Over: SNOWY CREEK
0.1 MI W INT CRELLIN ST R, Garrett, MD
Over: Bonifant Road & NW Branc
2.07 Mi. West of MD650, Montgomery, MD
Over: INDIAN CREEK
1.0 MILE WEST OF US 1, Prince George's, MD
Over: MATAPONI CREEK
.3 MI S ST THOMAS CHUR RD, Prince George's, MD
Over: MARSH RUN
0.68 MI S OF BAKERSVILLE, Washington, MD
Over: MARSH RUN
0.07 MI S OF BAKERSVILLE, Washington, MD
Over: CSX RAILROAD
0.05 MI E OF US 40, Baltimore, MD
Over: CSX RAILROAD
0.1 MI E HANOVER PIKE, Baltimore, MD
Over: TRIBUTARY TO PINEY RUN
0.3 MI N OF DOVER ROAD, Baltimore, MD
Over: LITTLE FALLS
0.8 MI NE OF MIDDLETOWN R, Baltimore, MD
Over: ALLOWAY CREEK
.7 M N OF BOWERS ROAD, Carroll, MD
Over: SANDY BRANCH
0.05 MI S OF MIDDLE N RD, Cecil, MD
Over: MIDDLE PATUXENT RIVER
.02 Mi N of MD 32, Howard, MD
Over: MD200 Ramp I-B
1.6 miles south of MD198, Prince George's, MD
Over: UNNAMED TRIBUTARY TO SEV
.7 MI S OF ROUTE 3, Anne Arundel, MD
Over: US 15
1 MI N OF MD 26, Frederick, MD
Over: LITTLE PATUXENT RIVER
NORTH TRACT, Anne Arundel, MD
Over: STONY RUN
0.5 MI W OF MD 170, Anne Arundel, MD
Over: COWHIDE BRANCH
ANNE ARUNDEL MEDICAL PARK, Anne Arundel, MD
Over: CAMPBELL ROAD
0.66 MI S OF MD RTE 43, Anne Arundel, MD
Over: BEAR BRANCH
1.06 MILES N OF MD 140, Carroll, MD
Over: NEALE SOUND
0.1 MI S MD RTE 254, Charles, MD
Over: MILL BROOK
1.4 MILES E OF MD 136, Harford, MD
Over: SNOWDEN RIVER PARKWAY
0.84 MILE WEST OF MD 108, Howard, MD
Over: MD 200 (ICC)
4.1 MI WEST OF MD 65, Montgomery, MD
Over: ISLAND CREEK
2.5 MI FROM MD RTE 213, Queen Anne's, MD
Over: NORTHEAST CREEK
1.49 MILES N OF MD 274, Cecil, MD
Over: HENSON CREEK & TRAIL
0.13 MI S OF HAVER HIL ST, Prince George's, MD
Showing 4,601-4,650 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.