Montgomery County, OH

632 public highway bridges

Montgomery County Bridge Snapshot

Montgomery County, Ohio contains 632 public highway bridges in the FHWA National Bridge Inventory. Roughly 44.8% are rated “Good,” 24.4% “Fair,” 2.5% “Poor,” and 2.5% are classified as structurally deficient — the federal designation for spans whose deck, superstructure, or substructure has been rated 4 or below on the 0–9 NBI scale. Structurally deficient does not mean unsafe to cross; it means the bridge is on the priority list for repair or replacement.

Inspections in OH are conducted by certified engineers from the state Department of Transportation on a 24-month cycle, and results are reported back to the FHWA each spring. The list below shows every NBI-tracked bridge in the county, sorted by inventory load rating. Use the “Sort by” controls to surface the lowest-rated spans first, and click any row for full inspection history, traffic counts, and condition trends.

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

632

Total Bridges

44.8%

Good

2.5%

Poor

2.5%

Structurally Deficient

Condition Distribution

Good

44.8% (283)

Fair

24.4% (154)

Poor

2.5% (16)

SD

2.5% (16)

All Bridges (632)

Sort:

IR-75

Over: I75

.68MI.S. OF JCT. USR-35, Montgomery, OH

Built 1966 ADT: 100

IR-75

Over: I75

.55MI S. OF JCT. USR-35, Montgomery, OH

Built 2011 ADT: 4,121

CR-7003 ALBANY ST

Over: Ramp 75N to 35

.13MI.S. OF JCT. USR35, Montgomery, OH

Built 2020 ADT: 8,336

IR-75

Over: IR-75

.13 MI S OF JCT USR 35, Montgomery, OH

Built 2011 ADT: 8,336

NB IR-75 OFF RAMP

Over: RAMP=I75*N-US35

.13MI.S. OF JCT. USR-35, Montgomery, OH

Built 1968 ADT: 8,336

RMP US35 TO I75N

Over: RMP I75N TO US35W/SR4S

.03MI.S. OF JCT. USR-35, Montgomery, OH

Built 1969 ADT: 4,156

SB IR75 TO EB US35

Over: RAMP I75*S TO US35*E

.08 MI S OF JCT US-35, Montgomery, OH

Built 1969 ADT: 97,719

IR-75

Over: I75 UNDER RAMPS

JCT. USR-35, Montgomery, OH

Built 1967 ADT: 72,874

RAMP WB35 TO SB75

Over: US35 I75

.01MI.N. OF JCT. USR-35, Montgomery, OH

Built 1969 ADT: 97,719

RAMP EB35 TO NB75

Over: CRR US35 I75

.03MI.N. OF JCT USR-35, Montgomery, OH

Built 1969 ADT: 97,719

IR 75

Over: IR-75

.11MI N OF JCT USR-35, Montgomery, OH

Built 2012 ADT: 7,137

IR-75

Over: IR 75

.11 MI N OF JCT OF USR 35, Montgomery, OH

Built 2012 ADT: 7,137

IR75

Over: IR 75

.11 N OF JCT USR-35, Montgomery, OH

Built 2012 ADT: 7,137

IR-75

Over: IR-75

JCT SR 4, Montgomery, OH

Built 2012 ADT: 6,780

IR-75

Over: I75*NB/SB

.18MI. N. OF JCT. SR-4, Montgomery, OH

NB/SB IR-75

Over: 175*NB/SB

.25MI. N. OF JCT. SR-4, Montgomery, OH

Built 2014 ADT: 14,593

I-75NB RMP C1-2ND

Over: I75*NB/SB

0.25MI. N. OF JCT. SR-4, Montgomery, OH

Built 2016 ADT: 14,593

IR75 EXIT 53 RAMP

Over: IR75 N ON RAMP C1

.83 MI.S. OF JCT. SR-48, Montgomery, OH

Built 2015 ADT: 130,141

IR 75

Over: ROBERT DRIVE

FIRST STREET, Montgomery, OH

IR-75

Over: I-75

.10MI.S. OF JCT. SR-49, Montgomery, OH

IR-75

Over: I 75 OVER MONUMENT ST.

.1MI.N. OF JCT. FIRST ST, Montgomery, OH

Built 2014 ADT: 4,779

SR 4

Over: SR 4

JCT. SR-48, Montgomery, OH

Built 2008 ADT: 17,438

SB/NB IR 75

Over: IR75

JCT SR48/I75, Montgomery, OH

Built 2009 ADT: 17,438

SR 4

Over: SR 4

.05MI. N. OF JCT. SR48, Montgomery, OH

Built 2010 ADT: 100,530

IR75

Over: IR 75

.25 MI N JCT SR 48, Montgomery, OH

RAMPS E2 & D4

Over: I 75 S

.25MI. N. OF JCT. SR48, Montgomery, OH

SR 4

Over: SR 4

.25 MI N OF JCT SR-48, Montgomery, OH

Built 2012 ADT: 1,295

SR 4

Over: SR 4 TO WEBSTER

.46MI.N. OF JCT. SR-48, Montgomery, OH

Built 2012 ADT: 93,730

SR 4

Over: I75 NB SB

.46MI N OF JCT SR48, Montgomery, OH

Built 2009 ADT: 19,382

IR75

Over: RAMPS E4 & E5

.46 MI N OF JCT SR48, Montgomery, OH

Built 2009 ADT: 119,262

I-75 RAMP D4

Over: I-75 RAMP D4

I 75 & SR 48 RAMP, Montgomery, OH

Built 2008 ADT: 119,262

IR 75

Over: IR 75

.9MI. N. OF JCT. SR48, Montgomery, OH

Built 2009 ADT: 9,440

IR75

Over: I75

1.2MI N OF JCT SR49, Montgomery, OH

Built 1959 ADT: 5,264

IR75

Over: I75

1.57MI N OF JCT SR48, Montgomery, OH

Built 1959 ADT: 11,361

IR75

Over: I75

2.08MI N OF JCT SR48, Montgomery, OH

Built 1959 ADT: 1,949

IR75

Over: I75

2.36MI N OF JCT SR48, Montgomery, OH

Built 1959 ADT: 9,255

IR75

Over: I75

2.9MI N OF JCT SR48, Montgomery, OH

Built 1971 ADT: 2,128

TIMBER LANE (C130)

Over: C130(TIMBER LANE)

3.37MI N OF JCT SR48, Montgomery, OH

Built 1971 ADT: 115,256

NEEDMORE RD (C74)

Over: C74(NEEDMORE ROAD)

3.15MI S OF JCT IR70, Montgomery, OH

Built 1971 ADT: 116,271

STOP EIGHT RD-T108

Over: T108(STOP EIGHT ROAD)

2.12MI S OF JCT IR70, Montgomery, OH

Built 1971 ADT: 116,271

BENCHWOOD-WYSE RD.

Over: BENCHWOOD-WYSE ROAD

1.6 MI. S. JCT. IR-70, Montgomery, OH

Built 2005 ADT: 116,271

LITTLE YORK ROAD

Over: LITTLE YORK ROAD

.65 MI S OF JCT IR70, Montgomery, OH

Built 2005 ADT: 114,768

RAMP C OVR I75,I70

Over: I-75 & RAMP

JCT. I-75 & I-70, Montgomery, OH

Built 2005 ADT: 40,641

IR-75

Over: MAINLINE I-75

RAMP G I70 & I-75 INTCHG, Montgomery, OH

Built 2008 ADT: 55,420

NORTHWOODS BLVD

Over: NORTHWOODS BLVD.

.66MI N OF JCT USR40, Montgomery, OH

Built 1956 ADT: 90,356

OLD SPRNGFLD RD-C8

Over: CR8(OLD SPRINGFIELD RD)

.86MI S OF MIAMI CO., Montgomery, OH

Built 1962 ADT: 82,809

SR4

Over: S235*S C28(CHAMRBG RD)*W

.09M S.OF SR4, Montgomery, OH

Built 1959 ADT: 25,812

IR70

Over: SR-235

INTERSECTION IR70, Montgomery, OH

Built 1987 ADT: 55,164

SR-235

Over: SR-235

SR4 UNDERPASS RAMP, Montgomery, OH

Built 1987 ADT: 1,590

NB SR444

Over: S444*S

JCT SR4, Montgomery, OH

Built 1959 ADT: 24,466

Read our methodology — how this data is sourced, computed, and verified.

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Data sourced from official U.S. government datasets. See our methodology for details. Retrieved and formatted by PlainBridges Editorial

Reviewed byPlainbridges Editorial, Plain Bridges Editorial Team · June 6, 2026