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: LONG DRAUGHT BRANCH
1.66 MILE NORTH OF MD 124, Montgomery, MD
Over: LITTLE MONOCACY RIVER
0.6 MI E OF MT EPHRAIM RD, Montgomery, MD
Over: CATTAIL BRANCH
0.01 MI N OF W FOREST RD, Prince George's, MD
Over: LITTLE PAINT BRANCH
CAPITAL BELTWAY TO EXIT 2, Prince George's, MD
Over: STONE LAKE RD/PARKING LT
600M E OF WOOD RD, Montgomery, MD
Over: BRANCH OF DEEP RUN
0.16 MI S OF HOWARD CO, Anne Arundel, MD
Over: MTA LIGHT RAIL
0.04 MI N OF MD 170, Anne Arundel, MD
Over: STONEY RUN
0.5 MI N OF STONEY RUN RD, Anne Arundel, MD
Over: NORFOLK SOUTHERN RR
0.18 MILE SOUTH OF MD 151, Baltimore, MD
Over: MILL SWAMP
2.01 MILES WEST OF MD 210, Charles, MD
Over: BROAD CREEK
0.77 MILE NORTH OF MD 543, Harford, MD
Over: HAMMOND BRANCH
1.28 MILES SOUTH OF MD 32, Howard, MD
Over: NORTHWEST BRANCH
0.68 MILE NORTH OF MD 208, Prince George's, MD
Over: PATUXENT RIVER
ON ANNE ARUNDEL CO LINE, Prince George's, MD
Over: CABIN BRANCH
0.05 MI S OF ASHLEAF AVE, Prince George's, MD
Over: ANTIETAM CREEK
AT EASTERN BOULEVARD, Washington, MD
Over: HAMILTON RUN
AT INT OF BROOKLINE AVE, Washington, MD
Over: POCOMOKE RIVER
ON SOMERSET CO LINE, Worcester, MD
Over: GEORGES CREEK
0.09 M N OF C STREET, Allegany, MD
Over: PATAPSCO RIVER, CSX TRAN
ON HOWARD CO LINE, Baltimore, MD
Over: PATAPSCO RIVER, CSX TRAN
ON HOWARD CO LINE, Baltimore, MD
Over: TRIBUTARY TO HERRING RUN
0.2 MI N OF TAYLOR AVE, Baltimore, MD
Over: TRIBUTARY TO HERRING RUN
0.02 MI N OF TAYLOR AVE, Baltimore, MD
Over: CATOCTIN CREEK
0.17 MILE WEST OF MD 17, Frederick, MD
Over: BEAVER BRANCH
0.63 MILE WEST OF MD 76, Frederick, MD
Over: GRAYS RUN
1.01 MILES SOUTH OF US 40, Harford, MD
Over: BW PARKWAY
1.5 MILES SOUTH OF I-95, Prince George's, MD
Over: BRANCH AVENUE
1.5 MILES WEST OF SILVER, Prince George's, MD
Over: TOMAKOKIN CREEK
0.71 MILE NORTH OF MD 238, St. Mary's, MD
Over: LITTLE ANTIETAM CREEK
0.45 MI W OF MD RTE 64, Washington, MD
Over: DEEP CREEK
0.09 M N INT MAYHEW INN R, Garrett, MD
Over: WARRIOR RUN
0.02 MILE EAST OF MD 53, Allegany, MD
Over: DEEP RUN
ON THE HOWARD CO LINE, Anne Arundel, MD
Over: BEAR CREEK
1.39 MILE NORTH OF MD 158, Baltimore, MD
Over: DOGWOOD ROAD AND DEAD RU
300 FT E OF SECURITY BLVD, Baltimore, MD
Over: BRICE RUN
0.92 MI S OF MD 125, Baltimore, MD
Over: BUSH CREEK
0.84 MILE EAST OF MD 75, Frederick, MD
Over: DOLLYHYDE CREEK
0.34 MILE EAST OF MD 31, Frederick, MD
Over: CARROLL CREEK
1.1 MI. W OF US 15, Frederick, MD
Over: ISLAND BRANCH
1.0 MILE SOUTH OF MD 23, Harford, MD
Over: DEER CREEK
0.2 MILES E OF BALT CO, Harford, MD
Over: SASSAFRAS RIVER
ON CECIL COUNTY LINE, Kent, MD
Over: PAINT BRANCH
0.33 M N OF BR NO 1612900, Prince George's, MD
Over: TRIB TO LITTLE PAINT BR
0.3 MI W OF BELTSVILLE DR, Prince George's, MD
Over: MILES RIVER
0.98 MILE NORTH OF MD 33, Talbot, MD
Over: NORWICH CREEK
0.03 MILE S OF MD 404AL, Talbot, MD
Over: GEORGES CREEK
0.24 MI S OF MD 935A, Allegany, MD
Over: BRADDOCK RUN
1.28 MI W OF MD 831A, Allegany, MD
Over: SCOTTS LEVEL BRANCH
0.09 MI N OF ZETA WAY, Baltimore, MD
Over: JONES FALLS
0.3 MI N COLD SPRING LANE, Baltimore city, MD
Showing 1,551-1,600 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.