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: GREAT SENECA CREEK
1.32 MILES N OF MD 124, Montgomery, MD
Over: PATUXENT RIVER
1.7 MI NORTH OF MD 650, Montgomery, MD
Over: I95 NB-CD
MD200EB Ramp I-A to I95NB, Prince George's, MD
Over: PINE STREET
0.05 MI E of Route 11, Washington, MD
Over: NINEPIN BRANCH
0.76 MI S OF MD 374, Worcester, MD
Over: AMTRAK
0.32 MILE SOUTH OF US 40, Cecil, MD
Over: Canton RR
0.0 MI. S of Keith Ave, Baltimore city, MD
Over: ROCK RUN
0.7 MI SE OF ROCK RUN RD, Harford, MD
Over: WATTS BRANCH
WOOTTONS MILL PARK, Montgomery, MD
Over: MD 200 (ICC)
3.61 MI WEST OF MD650, Montgomery, MD
Over: CSX RAILROAD
0.1 MI EAST OF US 1, Prince George's, MD
Over: TRIBUTARY OF CONOCOCHEAG
0.6 MI WEST OF I-81, Washington, MD
Over: TRIBUTARY OF ANTIETAM CR
.3 MI N OF E OAK RIDGE DR, Washington, MD
Over: GEORGES CREEK
0.02 MI E OF MD 36, Allegany, MD
Over: RED RUN BRANCH
0.9 MI S OF RED RUN BLVD, Baltimore, MD
Over: LITTLE PIPE CREEK
JUST E OF UNION BRIDGE, Carroll, MD
Over: LITTLE CATOCTIN CREEK
AT HARMONY RD INT, Frederick, MD
Over: STOUT BOTTLE BRANCH
0.6 MILES NW OF MD 543, Harford, MD
Over: EXECUTIVE PARK DRIVE
0.91 MILE WEST OF MD 104, Howard, MD
Over: CSX RR, O'CONNOR RD
0.24 M W OF AA CO LINE, Howard, MD
Over: CSX RR, O'CONNOR ROAD
0.24 M W OF AA CO LINE, Howard, MD
Over: SLIGO CREEK
AT SLIGO CR PKWY, Montgomery, MD
Over: BALD HILL BRANCH
1 MI E OF JCT IS 95, Prince George's, MD
Over: CSX TRANS.
1.08 MILES NORTH OF US 11, Washington, MD
Over: LITTLE ANTIETAM CREEK
1.02 MI NW OF MD RTE 67, Washington, MD
Over: LITTLE FALLS
1.2 MI. N MIDDLETOWN ROAD, Baltimore, MD
Over: PEA VINE RUN & BEALS MIL
1063 MILES NORTH OF IS 68, Allegany, MD
Over: MD 170 / AMTRAK
0.9 MI SOUTH OF I-195, Anne Arundel, MD
Over: CSX RAILROAD
0.82 MI S OF UNION CHURCH, Cecil, MD
Over: BASIN RUN
0.19 MI S OF LIBERTY G RD, Cecil, MD
Over: GRINDSTONE RUN
0.75 MI WEST OF MD RTE 17, Frederick, MD
Over: TRIB / L GUNPOWDER FALLS
0.4 MILES N OF POCOCK RD, Harford, MD
Over: SOUTH STIRRUP RUN
0.5 MI E OF SHARON ACR RD, Harford, MD
Over: MD 200 (ICC)
0.59 MI NORTH OF MD 28, Montgomery, MD
Over: MD 200 (ICC) Ramp SE
0.2 mi W US29/MD200 I/C, Montgomery, MD
Over: TRIBUTARY TO BEAVERDAM C
0.03 MI N OF PARKWOOD ST, Prince George's, MD
Over: CABIN BRANCH
0.11 MI N OF STATE STREET, Prince George's, MD
Over: SANG RUN
0.98 MI SW OF BISHOFF RD, Garrett, MD
Over: TRIBUTARY TO DORSEY RUN
.68 M N OF TECHNOLOGY DR, Anne Arundel, MD
Over: BACK RIVER
0.82 MILE EAST OF MD 695, Baltimore, MD
Over: Tradepoint Railroad
0.22 MILE WEST OF MD 151, Baltimore, MD
Over: TRIBUTARY TO GUNPOWDER F
1.3 MILES EAST OF MD 45, Baltimore, MD
Over: MTA LIGHT RAIL
OFFRAMP SB JFX @ CLDSPRNG, Baltimore city, MD
Over: MTA LIGHT RAIL
I-83 AT NORTHERN PKWY, Baltimore city, MD
Over: LOMBARD STREET
Milepost M12.51, Baltimore city, MD
Over: BLUE BLAZES CREEK
US-15N, WEST ON MC-77 TO, Frederick, MD
Over: SAW MILL BRANCH
0.3 MILES NE OF BALT CO, Harford, MD
Over: IS-370 RP1, MD200 RP7
5.67 MI WEST OF MD97, Montgomery, MD
Over: BUCKLODGE BRANCH
2 MILES NORTH OF MD 28, Montgomery, MD
Over: WHETSTONE RUN
0.5 MILES EAST OF MD 355, Montgomery, MD
Showing 4,551-4,600 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.