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: LITTLE PATUXENT RIVER
0.27 MI S OF US 29, Howard, MD
Over: HAMMOND BRANCH
0.2 MI N OF MD RTE 216, Howard, MD
Over: CSXT RR & WMATA METRO
0.2 MI E OF MD RTE 355, Montgomery, MD
Over: PAINT BRANCH
0.15 MILE WEST OF US 1, Prince George's, MD
Over: E BRANCH OF ROCK CREEK
0.70 M W OF LONG POINT RD, Somerset, MD
Over: NEWPORT CREEK
1.29 MI SE OF US RTE 113, Worcester, MD
Over: MILL RUN
0.08 MI N OF MAIN ST, Allegany, MD
Over: SEVERN RUN
0.81 MILE NORTH OF MD 3, Anne Arundel, MD
Over: SEVERN RUN
0.81 MILE NORTH OF MD 3, Anne Arundel, MD
Over: JUMPERS HOLE ROAD
0.67 MILE EAST OF MD 2, Anne Arundel, MD
Over: CHURCH CREEK
0.29 MILE EAST OF MD 2, Anne Arundel, MD
Over: LITTLE FALLS
100 FT W OF GRAYSTONE RD, Baltimore, MD
Over: HILLEN STREET
I-83 OVER HILLEN STREET, Baltimore city, MD
Over: GWYNNS FALLS
SB FROM WASHINGTON BLVD, Baltimore city, MD
Over: KEITH AVENUE
Milepost M56.5, Baltimore city, MD
Over: CONRAIL YARD
Milepost M56.9, Baltimore city, MD
Over: MARSHYHOPE CREEK
1.71 MILE SOUTH OF MD 308, Caroline, MD
Over: TALBOT BRANCH
0.03 M S OF FRANKLIN RD, Carroll, MD
Over: MILL CREEK
0.4 MI S OF MD 7, Cecil, MD
Over: FISHING CREEK
0.75 MI W OF DUBLIN RD, Frederick, MD
Over: SANG RUN
SANG RUN ROAD, Garrett, MD
Over: BR OF SWAN CREEK
0.03 MILE SOUTH OF MD 22, Harford, MD
Over: DEER CREEK
1.0 MILES S OF MD 165, Harford, MD
Over: OTTER POINT CREEK (N)
0.3 MILES S OF MD 7, Harford, MD
Over: PATUXENT RIVER
HOWARD-MONTGOMERY CO LINE, Howard, MD
Over: JAMES CREEK
0.4 MI S OF GOLD MINE RD, Montgomery, MD
Over: PINEY CREEK
1.21 MILES EAST OF MD 552, Queen Anne's, MD
Over: CORSICA CREEK
0.88 MILE WEST OF MD 213, Queen Anne's, MD
Over: RED LION BRANCH
0.56 MILE EAST OF MD 290, Queen Anne's, MD
Over: WYE RIVER
0.15 MI SE OF MD 301, Queen Anne's, MD
Over: POTOMAC RIV & C&O CANAL
ON WEST VIRGINIA ST LINE, Washington, MD
Over: ISRAEL CREEK
0.2 MI W OF MD RTE 67, Washington, MD
Over: NORFOLK SOUTHERN RR
1.0 MILE NORTH OF US 50BU, Wicomico, MD
Over: TONYTANK POND
0.38 MILE NORTH OF MD 513, Wicomico, MD
Over: NANTICOKE RIVER
ON DORCHESTER CO LINE, Wicomico, MD
Over: POCOMOKE RIVER
ON WICOMICO CO LINE, Worcester, MD
Over: CENTRE ST, QUEEN CITY DR
0.52 MI E OF US 48H, Allegany, MD
Over: WILLS CREEK / WMSRR
0.20 MI S OF US 40 ALT, Allegany, MD
Over: FURNACE CREEK
0.38 MI N OF MD 270, Anne Arundel, MD
Over: FURNACE CREEK
0.38 MI N OF MD 270, Anne Arundel, MD
Over: DEEP RUN
ON HOWARD COUNTY LINE, Anne Arundel, MD
Over: MARLEY CREEK
1 MI SW of MD 173, Anne Arundel, MD
Over: PINEY CREEK
0.06 MI N OF SPARKS RD, Baltimore, MD
Over: BEAN BRANCH
2.03 MI S OF HARFORD CO, Baltimore, MD
Over: NORFOLK SOUTHERN RAILROA
LOMBARD ST OV NS RR, Baltimore city, MD
Over: WATTS CREEK
2.0 MILES SOUTH OF MD 317, Caroline, MD
Over: MORGAN RUN
1.68 MILE NORTH OF MD 407, Carroll, MD
Over: LITTLE ELK CREEK
0.19 MILE EAST OF MD 279, Cecil, MD
Over: LITTLE ELK CREEK
0.19 MILE EAST OF MD 279, Cecil, MD
Over: LITTLE ELK CREEK
0.19 MILE SOUTH OF MD 545, Cecil, MD
Showing 2,451-2,500 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.