Total Bridges
26,729
Public highway bridges in Ohio
State profile · Below median Poor share
According to the Federal Highway Administration's 2024 National Bridge Inventory, condition ratings, load ratings, and Poor-condition shares for every public highway bridge in Ohio.
Ohio holds 26,729 public highway bridges (#3 of 52 by inventory) with a 4.74% Poor share (#35 of 52 by Poor share).
That is 4.7% of the state's inventory, against an average of 7.5% across the 54 states and territories with Poor-rated bridges on file, which places it 18 of 54 ordered from the lowest Poor share upward. A bridge is rated Poor when its weakest applicable component scores 4 or below on the inspecting agency's 0-9 scale, so the category is a maintenance and funding signal rather than a closure order or a live crossing-safety verdict.
Inventory: FHWA NBI 2024 · last ETL August 2026
Total Bridges
26,729
Public highway bridges in Ohio
Good Condition
61.0%
16,319 bridges rated 7-9
11.0pp vs 50% benchmark
Poor Condition
4.7%
1,267 bridges whose lowest applicable component is rated 0-4
-2.8pp vs national avg 7.5%
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 7.5%.
Each point is a state or territory in the FHWA NBI; the highlighted point is this profile.
Ohio vs all states by public bridge inventory
Where this state's FHWA NBI public-highway bridge count sits among every state and territory on PlainBridges
26,729 3rd of 54 higher than 51 of 54 states
States and territories, banded by public bridge inventory size
Each bar is a band; taller bars hold more states. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source FHWA National Bridge Inventory · 2024
The highlighted point is Ohio: 26,729 bridges and 4.74% in Poor condition, rank #18 of 54 jurisdictions ordered from the lowest share upward. The five jurisdictions immediately above and below Ohio on that same Poor-share ordering:
The full national sortable table lives on the rankings page.
Exclusive FHWA material families across all 26,729 bridges in this state; continuous variants fold into the parent family. Orthogonal to the Poor-share scatter above.
State agency holds 40.1% of the 26,729 public highway bridges filed under Ohio in the 2024 NBI, the agency-of-record split for this state, not a condition verdict.
Pre-1950 construction accounts for 12.0% of the 26,729 bridges with a recorded original year in Ohio. Era bands are orthogonal to the Poor-share ranking above.
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 Ohio on the same metric.
OR
CT
OH
CO
ID
Six lowest-condition bridges in Ohio, ranked by the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.
Over: FLAT FORK CREEK
AT WATER TREATMENT PLANT, Allen, OH
Over: CONNEAUT CREEK
.5 MI. N. OF HATCHES COR., Ashtabula, OH
Over: MODOC RUN
MODOC RD. TRIM 25, Athens, OH
Over: SHADE RIVER
0.01 mi. EAST TO CR167, Athens, OH
Over: W BRANCH SUNDAY CREEK
0.01 MI. S OF CONGRESS ST, Athens, OH
Over: TRAIL RUN
300 FT S OF SR331, Belmont, OH
Over: RAMP B & B&O RR
.87MI.N. OF JCT. USR-36, Miami, OH
Over: RAMP B & B&O RR
.87MI.N. OF JCT. USR-36, Miami, OH
Over: PIQUA HYRAULIC CANAL
1.38 MI. NW OF JCT USR-36, Miami, OH
Over: MORGAN DITCH
N RIDGE AVE AT TRADE SQ, Miami, OH
Over: OPOSSUM CREEK
2.16M S OF JCT SR 78, Monroe, OH
Over: STREAM
1 MI. S. OF JCT SR 537, Monroe, OH
Over: DISMAL CREEK
3.5 mi South of SR 255, Monroe, OH
Over: TOMS RUN
1.55MI.E. OF PREBLE CO., Montgomery, OH
Over: I70
JCT. IR-70, Montgomery, OH
Over: SR 48
JCT. SR-48, Montgomery, OH
Over: CENTRAL AVE*W
2.9MI. S. OF JCT SR-741, Montgomery, OH
Over: DRYDEN ROAD
.26MI.S.IR-75 AND SR-741, Montgomery, OH
Over: WASHINGTON ST/ NS & CSX
.11 MI N OF JCT OF USR 35, Montgomery, OH
Over: THIRD ST. CR-194A
0.25MI. N. OF JCT. SR-4, Montgomery, OH
Over: SR 48
JCT. SR-48, Montgomery, OH
Over: RIVERSIDE DRIVE
.19MI N. OF SR 48, Montgomery, OH
Over: I75
3.15MI S OF JCT IR70, Montgomery, OH
Over: TRIB GREAT MIAMI RIVER
1.57MI S OF JCT IR70, Montgomery, OH
Over: IR-675
.86MI NE OF JCT SR725, Montgomery, OH
Over: trib to Little Twin Crk
.2 MI W OF CLAYTON ROAD, Montgomery, OH
Over: Creek
3.9 MI E PREBLE CO LN RD, Montgomery, OH
Over: Bear Creek
.4 MILE SOUTH OF SR4, Montgomery, OH
Over: WOLF CREEK
700 N OF JAMES H MCGEE, Montgomery, OH
Over: Stillwater River
0.01 mi E of Riverside Dr, Montgomery, OH
Over: BR OF LITTLE BEAVER CREE
700 FT WEST OF WILMINGTON, Montgomery, OH
Over: SPRING RUN
1.5 MILES NORTH OF SR35, Montgomery, OH
Over: STREAM
430 FT E OF BYERS RD, Montgomery, OH
Over: SYCAMORE CREEK
.5 MILE SOUTH OF SR725, Montgomery, OH
Over: STREAM
.7 MI S N COUNTY LINE RD., Montgomery, OH
Over: Trib. to Eastwood lake
.8 MI NE OF HARSHMAN ROAD, Montgomery, OH
Over: ISLAND RUN
7.3M E JCT SR555, Morgan, OH
Over: OIL SPRING RUN
2.9Mi W JCT SR 37, Morgan, OH
Over: St. Rt. 37 & CR 74
135 S of St. Rt. 37 Int, Morgan, OH
Over: SHAW CREEK .23M S/SR529
0.8 MI. N. OF TR 141, Morrow, OH
Over: SHAW CREEK
0.7 MI. E. OF CR 66, Morrow, OH
Over: WHETSTONE
.4 MI.N.OF INT.TR127&CR9, Morrow, OH
Over: TRIB CEDAR FORK CREEK
0.69 MI. N. OF INT. TR 29, Morrow, OH
Over: WHETSTONE CREEK
0.40 MI. N. OF CO. LINE, Morrow, OH
Over: 60D & 146D OVER 6TH ST.
RAMP L OVER 6TH ST Z-VILL, Muskingum, OH
Over: IR 70 OVER 6TH ST
2.3 M E OF JCT US 40, Muskingum, OH
Over: OVER BRUSH CREEK
6.4 M N OF MORGAN CO LINE, Muskingum, OH
Over: BRUSH CREEK INVENTORY
.06 MI E OF SR555, Muskingum, OH
Over: THOMPSON RUN
.14 MI E OF THOMPSON RUN, Muskingum, OH
Over: THOMPSON RUN
.42 MI E OF MEADOW FARM C, Muskingum, OH
Over: THOMPSON RUN
INTER OF COOPERMILL ROAD, Muskingum, OH
Over: LICKING RIVER
0.7 MILES S OF JCT SR-146, Muskingum, OH
Over: WAKATOMIKA CREEK
.031 MI W OF CHURCH RD, Muskingum, OH
Over: LITTLE WAKATOMIKA CREEK
0.5 MI W OF JCT SR 60, Muskingum, OH
Over: LITTLE SALT CREEK
0.59 MI N.OF IR70, Muskingum, OH
Over: BLANCHARD RUN
2.03 M N MORGAN CO. LINE, Noble, OH
Showing 18,401-18,450 of 26,729 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.
What to do with this
Use Ohio's inventory picture to drill to a county or a specific span.
NBI condition ratings are inventory snapshots, not live crossing-safety verdicts.
Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Ohio Good/Fair/Poor shares and county rollups on this page are computed from the same NBI extract as the national boards; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.