Total Bridges
5,527
Public highway bridges in Maryland
State profile · Below national median SD
Condition ratings, load ratings, and structural-deficiency data for every public highway bridge in Maryland — drawn straight from the FHWA National Bridge Inventory.
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 rated 0-4
Structurally Deficient
4.3%
236 bridges flagged for repair priority
-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 on the structurally deficient leaderboard (lower share = better)
States are ranked by share of bridges flagged structurally deficient — the FHWA classification for any span where deck, superstructure, or substructure carries a condition rating of 4 or below. Lower percentages indicate stronger maintenance funding and inspection follow-through. States here sit immediately above and below Maryland on the same metric.
09
47
24
08
41
Six lowest-condition bridges in Maryland, ranked by composite NBI rating. Each is inspected at least every 24 months.
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: GWYNNS FALLS
0.29 MI W OF BALT CITY, Baltimore, MD
Over: PATAPSCO RIVER
ON HOWARD CO LINE, Baltimore, MD
Over: HAYSTACK BRANCH
1.01 MI S OF MT VISTA RD, Baltimore, MD
Over: LITTLE FALLS
0.07 MI S OF MD 45, Baltimore, MD
Over: JONES FALLS
0.09 MILE NORTH OF MD 25, Baltimore, MD
Over: BRANCH OF DEAD RUN
0.55 MILE EAST OF IS 695, Baltimore, MD
Over: LITTLE PINEY RUN
1.2 MI N OF DOVER ROAD, Baltimore, MD
Over: BENS RUN
0.2 MI S OF KRATZ LA, Baltimore, MD
Over: DELAWARE RUN
0.59 MI S OF MD 128, Baltimore, MD
Over: NELSON BRANCH
0.41 MI N OF HESS RD, Baltimore, MD
Over: SAWMILL BRANCH
1.1 MI S OF JARRETTSV. PK, Baltimore, MD
Over: SPRING BRANCH
0.88 MI E OF MD 45, Baltimore, MD
Over: WEST BRANCH HERBERT RUN
0.08 MI W OF OREGON AVE, Baltimore, MD
Over: DEAD RUN
0.05 MI S OF DOGWOOD RD, Baltimore, MD
Over: WEST BRANCH HERBERT RUN
0.40 MI W OF US 1, Baltimore, MD
Over: TOWSON RUN
0.15 MI E OF MD 139, Baltimore, MD
Over: HERRING RUN
0.25 MI W OF MD 542, Baltimore, MD
Over: TRIBUTARY TO CARROLL BRA
0.3 MI W OF CARROLL RD, Baltimore, MD
Over: TRIBUTARY OF BEAVER DAM
0.09 MI E OF MD 45, Baltimore, MD
Over: TRIBUTARY TO DEEP CREEK
50 FT. SW. OF MD RTE 702, Baltimore, MD
Over: WHITE MARSH RUN
0.6 MI E. EX. 31C I-695, Baltimore, MD
Over: GWYNNS FALLS
0.15 MI W OF IS 795, Baltimore, MD
Over: PRETTYBOY RESERVOIR
2.6 MI N MOUNT CARMEL RD, Baltimore, MD
Over: TRIB OF GWYNNS FALLS
MILFORD MILL METRO, Baltimore, MD
Over: HONEYGO RUN
0.6 MI N OF MD 43, Baltimore, MD
Over: ACCESS ROAD
I-170 WB RAMP OVER ACCESS, Baltimore city, MD
Over: ACCESS ROAD
I-170 EB RAMP OVER ACCESS, Baltimore city, MD
Over: AMTRAK
0.5 MI S OF NORTH AVE, Baltimore city, MD
Over: JONES FALLS
0.1 MI N OF PRATT ST, Baltimore city, MD
Over: JONES FALLS, FALLS RD,RR
NORTH AVE OVER CSX, Baltimore city, MD
Over: GELSTON RUN
0.4 MI N EDMONDSON AVE, Baltimore city, MD
Over: POWDER MILL RUN
0.1 MI W POWDER MILL LN, Baltimore city, MD
Over: GWYNNS FALLS, CSX
0.2 MI E HILTON PKWY, Baltimore city, MD
Over: WESTERN RUN
0.1 MI N CROSS COUNTRY B, Baltimore city, MD
Over: JONES FALLS (MI. 7.1 TO
0.6 MI S COLD SPRING LN, Baltimore city, MD
Over: STONY RUN
0.6 MI W CHARLES STREET, Baltimore city, MD
Over: WESTERN RUN
0.4 MI N KELLY AVE & I 83, Baltimore city, MD
Over: WESTERN RUN
BONNIEVIEW DR @ WSTRN RUN, Baltimore city, MD
Over: CHINQUAPIN RUN
0.2 MI N OF COLDSPRING LA, Baltimore city, MD
Over: AMTRAK RAILROAD
0.2 MI N OF MONUMENT ST, Baltimore city, MD
Over: MOORE'S RUN
0.6 MI SE OF BELAIR RD, Baltimore city, MD
Over: BIDDISON RUN
0.2 MI N OF IS 895, Baltimore city, MD
Over: HERRING RUN
0.6 MI W ERDMAN AVE, Baltimore city, MD
Over: BIDDISON RUN
0.3 MI NE OF IS 895, Baltimore city, MD
Over: SPRING GARDENS
0.3 MI NE OF MONROE ST, Baltimore city, MD
Over: TRIB. TO PATAPSCO RIVER
CHESAPEAKE AVE W OF 8THST, Baltimore city, MD
Over: TOWSON RUN
0.9 MI E CROMWELL BRDG RD, Baltimore city, MD
Over: FALLSWAY
EAGER STREET AT FALLSWAY, Baltimore city, MD
Over: W BRANCH OF HERRING RUN
0.3 MI N OF NORTHERN PKY, Baltimore city, MD
Over: MAIDENS CHOICE CREEK
0.5 MI E OF CATON AVE, Baltimore city, MD
Showing 1,701-1,750 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). A "structurally deficient" rating is a repair-priority signal, not a closure or unsafe-to-cross designation. Consult a qualified civil engineer before making decisions based on this data.
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.
| Publisher | Kiznis Studio |
| Sources | FHWA National Bridge Inventory, public U.S. government datasets |