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: TRIB TO SOUTHWEST BRANCH
0.07 MILE SOUTH OF IS 95, Prince George's, MD
Over: PISCATAWAY CREEK
.74 MI E FRANK TIPPETT RD, Prince George's, MD
Over: TRIBUTARY TO NORTHWEST B
0.35 MI S OF MD 500, Prince George's, MD
Over: ANTIETAM CREEK
0.64 M SW OF ALT US RT 40, Washington, MD
Over: WINTERS RUN
0.33 M S OF EDGEWOOD ROAD, Harford, MD
Over: ROCKY GAP RUN
0.23 MI S OF ROCKY GAP RD, Allegany, MD
Over: ANTIETAM CREEK
0.09 MI W OF ALT US RT 40, Washington, MD
Over: BEAVER DAM CREEK
AT DOTTERER RD INTERSECTN, Frederick, MD
Over: TRIB TO PISCATAWAY CREEK
0.2 MI N OF SURRATTS ROAD, Prince George's, MD
Over: PINEY BRANCH
2.5 MI E OF ST CHAR. PKWY, Charles, MD
Over: LITTLE DEER CREEK
1.2 MILES NW OF MD 165, Harford, MD
Over: OLD FARM CREEK
0.5 MI. W. OF JEFFERSON, Montgomery, MD
Over: TOWSERS BRANCH
0.25 MI W OF MD 3, Anne Arundel, MD
Over: PRATT HOLLOW
RP FR I 68 EB TO US 40SC, Allegany, MD
Over: HOURLY PARKING GARAGE
BWI HOURLY PARK GARAGE, Anne Arundel, MD
Over: ROCK RUN
0.84 MILE NORTH OF MD 276, Cecil, MD
Over: LITTLE CATOCTIN CREEK
0.25 MI SOUTH OF US 40, Frederick, MD
Over: RENN BRANCH
0.7 MI SE OF US RTE 340, Frederick, MD
Over: ANTIETAM CREEK
0.95 MI S OF MD RTE 60, Washington, MD
Over: MARLEY CREEK
0.45 MI S OF MD 648E, Anne Arundel, MD
Over: LITTLE PIPE CREEK
0.02 MI W OF UNION BRIDGE, Carroll, MD
Over: PRINCIPIO CREEK
0.65 MI E OF BELVIDERE RD, Cecil, MD
Over: CABBAGE RUN
100' N OF BENNIE DUNCAN R, Frederick, MD
Over: MD 924
0.53 MI NORTH OF I-95, Harford, MD
Over: MIDDLE PATUXENT RIVER
0.6 MI N OF MD RTE 108, Howard, MD
Over: STOCKETTS RUN
2.0 MI WEST OF MD ROUTE 2, Anne Arundel, MD
Over: PRATT HOLLOW
RP FR US 40SC TO I 68 EB, Allegany, MD
Over: TRIB. OF BROAD RUN
1.0 MI S OF MD RTE 383, Frederick, MD
Over: PERSIMMON CREEK
2.44 MILES W OF MD 235, St. Mary's, MD
Over: BLACK ROCK RD
0.78 MILE EAST OF MD 66, Washington, MD
Over: BLACK ROCK RD
0.78 MILE EAST OF MD 66, Washington, MD
Over: STADIUM LOT
Milepost M3.4, Baltimore city, MD
Over: PLUM POINT CREEK
1.3 MI SOUTH OF MD 263, Calvert, MD
Over: WICOMICO RIVER
0.591 M E OF JERSEY ROAD, Wicomico, MD
Over: DOUBS BRANCH
0.1 MI SW OF DOUBS ROAD, Frederick, MD
Over: CSXT RAILROAD
0.1 MILE WEST OF MD 192, Montgomery, MD
Over: Edmonston Creek
MD 200 0.7 mi E of I-95, Prince George's, MD
Over: BEAR CABIN BRANCH
0.2 MI N OF BERNADETTE DR, Harford, MD
Over: CHARLES BRANCH
1.26 MILES S OF US 301, Prince George's, MD
Over: TRIB TO JENNINGS RUN
1.87 MI N OF MD 638, Allegany, MD
Over: DIVIDING CREEK
ON WORCESTER CO LINE, Somerset, MD
Over: Terrapin Branch
0.82 MI. SOUTH OF MD 144, Howard, MD
Over: Terrapin Branch
0.82 MI. SOUTH OF MD 144, Howard, MD
Over: Middle Patuxent River
1.18 MILE SOUTH OF MD 144, Howard, MD
Over: Middle Patuxent River
1.18 MILE SOUTH OF MD144A, Howard, MD
Over: CAREYTOWN BRANCH
0.15 MI S OF SWAMP ROAD, Worcester, MD
Over: CHERRY CREEK
2.7 MILES S OF MD 826D, Garrett, MD
Over: WINEBRENNER RUN
0.14 MI S OF SHAFT-MIS RD, Allegany, MD
Over: WINTERS RUN
1.7 MILES N OF MD 152, Harford, MD
Over: BEL PRE CREEK
1.7 MILE EAST OF MD 97, Montgomery, MD
Showing 5,051-5,100 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.