Howard County, MD

310 public highway bridges

Howard County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Howard County, Maryland contains 310 public highway bridges. Roughly 28.4% are rated “Good,” 37.1% “Fair,” and 5.8% “Poor.” Poor means the lowest applicable deck, superstructure, substructure, or culvert rating is 4 or below on the 0–9 NBI scale. It is a condition category, not a live safety or closure decision.

Responsible agencies inspect covered bridges on risk-based intervals under current NBIS rules and submit inventory data to FHWA annually. The list below shows every NBI-tracked bridge in the county. Use the “Sort by” controls to change the ordering, and click any row for its reported inspection date, traffic count, and condition fields.

Source: FHWA National Bridge Inventory. See methodology for full definitions.

310
Total Bridges
28.4%
Good
37.1%
Fair
5.8%
Poor Condition

Condition Distribution

Good
28.4% (88)
Fair
37.1% (115)
Poor
5.8% (18)

All Bridges (310)

DAISY ROAD

Good

Over: CATTAIL CREEK

0.5 MI N UNION CHAPEL RD, Howard, MD

Built 2017 Load: 57.1 t ADT: 1,679

MD 100

Good

Over: OLD MONT. RD & DEEP RUN

0.62 MILE WEST OF MD 103, Howard, MD

Built 1998 Load: 57.6 t ADT: 82,092

MD 100

Good

Over: DORSEY STATION ACCESS RD

0.39 M W OF AA CO LINE, Howard, MD

Built 1996 Load: 57.6 t ADT: 83,402

MD 100

Good

Over: DORSEY STATION ACCESS RD

0.39 M W OF AA CO LINE, Howard, MD

Built 1996 Load: 57.6 t ADT: 83,402

OLD MONTGOMERY RD

Good

Over: DEEP RUN

0.5 MI S OF MD RTE 103, Howard, MD

Built 2013 Load: 60.8 t ADT: 9,224

MD 100

Good

Over: OLD MONT. RD & DEEP RUN

0.62 MILE WEST OF MD 103, Howard, MD

Built 1998 Load: 63.5 t ADT: 82,092

JOHN MCADAM DR

Good

Over: DORSEY BRANCH

800 FT S OF MD 175, Howard, MD

Built 2000 Load: 66.7 t ADT: 30

BONNIE BRANCH RD

Good

Over: BONNIE BRANCH

0.2 MI E OF COLLEGE AVE, Howard, MD

Built 2006 Load: 68.0 t ADT: 1,000

GUILFORD ROAD

Good

Over: CSX TRANSPORTATION

ON ANNE ARUNDEL CO LINE, Howard, MD

Built 2008 Load: 69.8 t ADT: 13,485

MD 32 EB

Good

Over: LITTLE PATUXENT RIVER

0.23 M S OF SHAKER DRIVE, Howard, MD

Built 1981 Load: 70.7 t ADT: 81,712

GREAT STAR DRIVE

Good

Over: CRICKETT CREEK

1.0 Mile SE of MD 108, Howard, MD

Built 1997 Load: 70.7 t ADT: 6,583

ELLICOTT CENTER DR

Good

Over: UNNAMED STREAM

400 FT NW OF ROGERS AVE, Howard, MD

Built 2003 Load: 71.2 t ADT: 1,814

RIVER ROAD

Good

Over: ROCKBURN BRANCH

AT ROCKBURN RD, Howard, MD

Built 2022 Load: 71.6 t ADT: 250

SHADY LANE

Good

Over: DORSEY BRANCH

0.5 MI N OF SHARP RD, Howard, MD

Built 2011 Load: 72.6 t ADT: 1,300

MD 32 EBR

Good

Over: MIDDLE PATUXENT RIVER

0.89 MILE NORTH OF US 29, Howard, MD

Built 1995 Load: 73.0 t ADT: 61,442

MD 97

Good

Over: PATUXENT RIVER

ON MONTGOMERY CO LINE, Howard, MD

Built 2000 Load: 73.5 t ADT: 13,200

PARK CIRCLE DRIVE

Good

Over: DEEP RUN

0.4 MI N MD 176 HO/AA CO., Howard, MD

Built 1990 Load: 73.9 t ADT: 870

LARK BROWN ROAD

Good

Over: DORSEY RUN

0.04 MI W OF MD RTE 108, Howard, MD

Built 1991 Load: 76.6 t ADT: 6,274

HOMEWOOD ROAD

Good

Over: MIDDLE PATUXENT RIVER

1 MI W OF MD RTE 108, Howard, MD

Built 2000 Load: 76.6 t ADT: 5,182

ROXBURY ROAD

Good

Over: DORSEY BRANCH

0.5 MI E OF MD RTE 97, Howard, MD

Built 2002 Load: 77.1 t ADT: 1,079

MAXWELL COURT

Good

Over: UNNAMED STREAM

0.4 Mile West of MD 1, Howard, MD

Built 1995 Load: 78.9 t ADT: 50

Bellows Spring Ele

Good

Over: Deep Run Creek

BELLOW SPRING ELEM SCHOOL, Howard, MD

Built 2003 Load: 82.5 t ADT: 500

SHEPPARD LANE

Good

Over: MIDDLE PATUXENT RIVER

0.6 MI N OF MD RTE 108, Howard, MD

Built 1997 Load: 87.5 t ADT: 3,027

MD 32 Northbound

Good

Over: Terrapin Branch

0.82 MI. SOUTH OF MD 144, Howard, MD

Built 2020 Load: 93.0 t ADT: 29,475

MD 32 Southbound

Good

Over: Terrapin Branch

0.82 MI. SOUTH OF MD 144, Howard, MD

Built 2020 Load: 93.0 t ADT: 29,475

MD 32 Northbound

Good

Over: Middle Patuxent River

1.18 MILE SOUTH OF MD 144, Howard, MD

Built 2020 Load: 93.0 t ADT: 29,475

MD 32 Southbound

Good

Over: Middle Patuxent River

1.18 MILE SOUTH OF MD144A, Howard, MD

Built 2020 Load: 93.0 t ADT: 29,475

MD 100

Good

Over: TRIB TO RED HILL BRANCH

.25 M E OF LONG GATE PKWY, Howard, MD

Built 1993 Load: 99.9 t ADT: 80,680

MD 100

Good

Over: RED HILL BRANCH

0.6 M E OF LONG GATE PKWY, Howard, MD

Built 1993 Load: 99.9 t ADT: 80,680

MD 100M (COCA COLA

Good

Over: BRANCH OF DEEP RUN

0.06 M N OF AA CO LINE, Howard, MD

Built 1998 Load: 99.9 t ADT: 13,792

HIPSLEY MILL ROAD

Good

Over: CABIN BRANCH

0.4 MI E OF ELLICOTT ROAD, Howard, MD

Built 2003 Load: 99.9 t ADT: 421

CENTENNIAL LANE

Good

Over: BRANCH OF LITTLE PATUXEN

0.3 MI S OF FREDERICK RD, Howard, MD

Built 1992 Load: 99.9 t ADT: 13,080

AMBERWOODS WAY

Good

Over: TRIB S BR PATAPSCO RIVER

2000 FT. WEST OF MD 32, Howard, MD

Built 2000 Load: 99.9 t ADT: 30

RED DAHLIA DRIVE

Good

Over: UNNAMED STREAM

800' S of Old Frederick R, Howard, MD

Built 1995 Load: 99.9 t ADT: 20

BIG BRANCH DRIVE

Good

Over: TRIB TO TRIADELPHIA RES

1/4 MI S OF HOWARD RD, Howard, MD

Built 2000 Load: 99.9 t ADT: 50

ELIOTS OAK ROAD

Good

Over: TRIB TO WILDE LAKE

1/8 MI S OF MD 108, Howard, MD

Built 1972 Load: 99.9 t ADT: 100

SUNNY SPRING

Good

Over: TRIB TO LITTLE PATUXENT

500' N of Owen Brown Rd, Howard, MD

Built 1972 Load: 99.9 t ADT: 100

BRAMPTON PARKWAY

Good

Over: UNNAMED STREAM

1000' S of MD 103, Howard, MD

Built 1972 Load: 99.9 t ADT: 150

WETHERED DR

Good

Over: UNNAMED STREAM

500' W OF EXECUTIVE PARK, Howard, MD

Built 2000 Load: 99.9 t ADT: 30

PEBBLE CREEK DRIVE

Good

Over: UNNAMED STREAM

300' W OF DEBORAH JEAN DR, Howard, MD

Built 1998 Load: 99.9 t ADT: 25

TIBER FALLS DRIVE

Good

Over: TIBER BRANCH

500' NW OF OLD COLUMBIA P, Howard, MD

Built 2000 Load: 99.9 t ADT: 50

TOWN SQUARE PARKWA

Good

Over: LITTLE PATUXENT RIVER

1300 FT S OF RESORT RD, Howard, MD

Built 2015 Load: 99.9 t

OLD MONTGOMERY RD

Poor

Over: LITTLE PATUXENT RIVER

0.5 MI W OF US RTE 29, Howard, MD

Built 1935 Load: 10.0 t ADT: 10

TIBER ALLEY

Poor

Over: TIBER RIVER

0.01 MI S MAIN STREET, Howard, MD

Built 1935 Load: 12.2 t ADT: 45

DAISY ROAD

Poor

Over: LITTLE CATTAIL CREEK

0.3 MI N JENNINGS CHAPEL, Howard, MD

Built 1935 Load: 12.7 t ADT: 1,525

SANDCHAIN ROAD

Poor

Over: LITTLE PATUXENT RIVER

.03 MI W OF YOUNGHEART, Howard, MD

Built 1972 Load: 21.3 t ADT: 1,209

PFEFFERKORN ROAD

Poor

Over: MIDDLE PATUXENT RIVER

1 MI S OF MD RTE 144, Howard, MD

Built 1935 Load: 24.9 t ADT: 1,116

UNION CHAPEL ROAD

Poor

Over: CATTAIL CREEK

0.5 MI E OF DAISY RD, Howard, MD

Built 1955 Load: 26.8 t ADT: 1,052

HENRYTON ROAD

Poor

Over: TRIBUTARY OF PATAPSCO RI

2.09 MI N OF MD RTE 99, Howard, MD

Built 1925 Load: 29.0 t ADT: 1,113

HENRYTON ROAD

Poor

Over: TRIBUTARY OF PATAPSCO RI

1.24 MI N OF MD RTE 99, Howard, MD

Built 1925 Load: 36.3 t ADT: 1,180
Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainBridges

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.