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: HENSON CREEK
0.1 MILES EAST OF FORESTV, Prince George's, MD
Over: DAMES QUARTER CREEK
0.01 M E OF MESSICK ROAD, Somerset, MD
Over: C&O CANAL
0.3 miles from Fort Frede, Washington, MD
Over: POCOMOKE RIVER
ON WORCESTER CO LINE, Wicomico, MD
Over: POCOMOKE RIVER
ON WORCESTER CO LINE, Wicomico, MD
Over: BURNT MILL BRANCH
0.84 MI N OF MD 346, Wicomico, MD
Over: BACON RIDGE BRANCH
0.89 MI E OF RUTLAND RD, Anne Arundel, MD
Over: E PALMER RD,STONEY CREEK
500M E OF WOOD RD, Montgomery, MD
Over: MILL RUN
.13 MILE NORTH OF MD 830B, Allegany, MD
Over: PATAPSCO RIVER
ON AA CO/ BALTO CO LINE, Anne Arundel, MD
Over: AMTRAK & BACK RIVER
0.75 MILE SOUTH OF MD 150, Baltimore, MD
Over: AMTRAK
Milepost M2.0, Baltimore, MD
Over: TO KEITH AVENUE
EX 56 RAMP TO KEITH AVE, Baltimore city, MD
Over: CANTON RR
MILE POINT 11.9, Baltimore city, MD
Over: CSXT
0.18 MI N OF CHEMICAL RD, Baltimore city, MD
Over: BIG PIPE CREEK
0.06 MI N OF UNGER RD, Carroll, MD
Over: BIG PIPE CREEK
0.25 MI S OF NASBAUM RD, Carroll, MD
Over: DEEP RUN
0.02 MI W OF LEES MILL RD, Carroll, MD
Over: SCOTCHMAN CREEK
0.32 MI NW OF MD 213, Cecil, MD
Over: ZEKIAH SWAMP
0.04 M W OF BR NO 0800500, Charles, MD
Over: CSX TRANS.
0.66 MILE EAST OF MD 495A, Garrett, MD
Over: BR OF DEER CREEK
0.42 M S OF DAVIS ROAD, Harford, MD
Over: FALLING BRANCH
0.3 MILES E OF FAWN GR RD, Harford, MD
Over: DEEP CREEK
1.1 MILES N OF MD 136, Harford, MD
Over: AMTRAK RAILROAD
0.1 MILES E OF US 40, Harford, MD
Over: ROCK CREEK
.6 MI W OF MUNCASTER MILL, Montgomery, MD
Over: TRIBUTARY TO NORTHWEST B
200 FT S OF GLENALLAN AVE, Montgomery, MD
Over: PISCATAWAY CREEK
0.1 MILE NORTH OF MD 223A, Prince George's, MD
Over: AMTRAK, WMATA
0.74 MILE WEST OF IS 95, Prince George's, MD
Over: PAINT BRANCH
0.44 M S OF BR NO 1612400, Prince George's, MD
Over: POTOMAC RIVER
ON VIRGINIA LINE, Prince George's, MD
Over: AMTRAK RAILROAD
0.05 MI SOUTH OF MD 564, Prince George's, MD
Over: TEAGUE CREEK
1.2 MI EAST OF MD 361, Somerset, MD
Over: KINGS CREEK
0.5 MI SE OF MD 328, Talbot, MD
Over: GROVE CREEK
0.5 MI SW OF LEIT SMITH R, Washington, MD
Over: HERRING CREEK
0.19 MILE WEST OF MD 707A, Worcester, MD
Over: HERRING CREEK
0.19 MILE WEST OF MD 707A, Worcester, MD
Over: BACHELORS BRANCH
3.1 MILES NORTH OF MD 756, Worcester, MD
Over: NEFF RUN
2.57 MI S OF MD 55, Allegany, MD
Over: SACHS BRANCH
BWI AIRPORT TERMINAL RD, Anne Arundel, MD
Over: MUD FLATS
1.44 MILE WEST OF MD 151, Baltimore, MD
Over: TRIBUTARY TO GWYNNS FALL
0.07 MI N OF MD 26, Baltimore, MD
Over: HARFORD RUN
BETWEEN ALICEANNA & FLEET, Baltimore city, MD
Over: CHINQUAPIN RUN
0.3 MI W OF THE ALAMEDA, Baltimore city, MD
Over: AMTRAK
0.06 MILE EAST OF MD 7C, Cecil, MD
Over: BASIN RUN
0.1 MI E OF DR JACK RD, Cecil, MD
Over: OWENS CREEK
0.02 MI W OF FRUSHOUR RD, Frederick, MD
Over: CATOCTIN CREEK
0.55 MILE EAST OF MD 872, Frederick, MD
Over: MIDDLE PATUXENT RIVER
2.02 MILES EAST OF MD 216, Howard, MD
Over: SWAN CREEK
2.92 MILES SOUTH OF MD 21, Kent, MD
Showing 2,201-2,250 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.