Total bridges
143
Public highway bridges in Casey County
County profile · official public datasets
143 public highway bridges tracked in the FHWA National Bridge Inventory: 14.7% rated Good, 77.6% Fair, 7.7% Poor.
The verdict
According to the Federal Highway Administration's 2024 National Bridge Inventory.
Casey County posts a higher-than-median Poor-condition share among rated counties in the state across mid-size county bridge inventory.
Poor is an FHWA condition category from the lowest applicable component rating (4 or below), not a live crossing-safety or closure decision. Rankings cover counties with at least five public highway bridges.
According to the Federal Highway Administration's 2024 National Bridge Inventory, Casey County ranks #67 of 120 Kentucky counties with at least 5 public highway bridges on Poor-condition share (lower share ranks better; currently 7.7%). Casey County, Kentucky contains 143 public highway bridges. Roughly 14.7% are rated “Good,” 77.6% “Fair,” and 7.7% “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.
Total bridges
143
Public highway bridges in Casey County
Good condition
14.7%
21 of 143 rated 7-9
Fair condition
77.6%
111 of 143 rated 5-6
Poor condition
7.7%
11 of 143 rated 4 or below
In-state Poor-share rank
#67 of 120
Among Kentucky counties with 5+ bridges, lower share ranks better
Share of 143 NBI-tracked bridges by lowest applicable component rating.
That is 15% of the county's reported daily bridge traffic on 7.7% of its bridges: Poor-condition structures carry more traffic than their share of the inventory. Each Poor bridge averages 1,538 crossings a day against 990 for a Good-condition one. A Poor rating is a condition category, not a closure or a live safety judgement; it means the lowest applicable component rating is 4 or below.
Computed over the 143 of 143 bridges in this county that report an average daily traffic count. Source: FHWA National Bridge Inventory, 2024 release.
62 of the 143 bridges with a recorded construction year were built in 1974 or earlier. Age alone is not a defect: a well-maintained older bridge can rate Good, and 14.7% of this county's inventory does. Even so, this older cohort is the population from which future Poor ratings are drawn, which is why the age profile below matters alongside the condition split above.
Cutoff derives from the 2024 release year minus a 50-year design life. Source: FHWA National Bridge Inventory, 2024 release.
US-127 over GREEN RIVER IN LIBERTY, built 1957, carries 9,092 vehicles a day, the most of any Poor-rated structure here. The county's Poor-condition exposure is concentrated rather than evenly spread, so the 11-bridge count understates how much of the daily burden sits on a single crossing.
Share is of the 16,916 daily crossings on Poor-rated bridges that report a traffic count. Source: FHWA National Bridge Inventory, 2024 release.
143 bridges with a recorded construction year, grouped by decade
1920–1929
3 bridges
1930–1939
27 bridges
1940–1949
4 bridges
1950–1959
11 bridges
1960–1969
8 bridges
1970–1979
10 bridges
1980–1989
18 bridges
1990–1999
32 bridges
2000–2009
17 bridges
2010–2019
7 bridges
2020–2029
6 bridges
What this shows Construction peaked in the 1990s, when 32 of the county's bridges still in the inventory were built, which is 22.4% of those with a recorded year. That cohort is now 25 to 34 years old in the 2024 inventory. Its average build year (1976) matches the Kentucky average (1978).
The 5 Kentucky counties nearest Casey County in number of bridges, with their condition splits. Its 7.7% Poor share is the 4th-lowest of these 6. Its average build year of 1976 against a peer-group mean of 1975 is in line with the group.
Showing the 5 closest of 119 Kentucky counties eligible for comparison.
| County | Bridges | Good | Fair | Poor | Avg. built |
|---|---|---|---|---|---|
| Barren County | 147 | 12.9% | 83.7% | 3.4% | 1974 |
| Webster County | 144 | 9% | 80.6% | 10.4% | 1969 |
| Adair County | 143 | 17.5% | 74.8% | 7.7% | 1975 |
| Casey County (this page) | 143 | 14.7% | 77.6% | 7.7% | 1976 |
| Kenton County | 142 | 39.4% | 52.8% | 7.7% | 1978 |
| Boone County | 138 | 40.6% | 55.1% | 4.3% | 1981 |
Each share is of that county's own total tracked bridges; peers are the counties with 5 or more bridges whose inventory size is closest to Casey County's. Source: FHWA National Bridge Inventory, 2024 release.
Two NBI-derived peer sets for Casey County, both outside Kentucky so the neighborhoods are not the same-state size table above.
Nearest county inventories outside KY (143 bridges here).
Nearest mean year-built outside KY (1976 here).
Source: FHWA National Bridge Inventory, 2024 release. Peers floor at 10 bridges so stub inventories cannot own the match.
Over: WOLF PEN BRANCH
1.6 MI SOU. OF JCT KY 78, Casey, KY
Over: MARTINS CREEK
0.6 MI. S.-JCT. KY 78, Casey, KY
Over: KNOB LICK CREEK
.1 MI S OF JCT CR 5037, Casey, KY
Over: TRACE FORK CREEK
.15 MI SE JCT KY 501, Casey, KY
Over: GREEN RIVER
.45 MI N.W. OF JCT US 127, Casey, KY
Over: LITTLE CREEK
2.4 MI E. JCT KY 910, Casey, KY
Over: ELK CAVE BRANCH
1.9 MI. SE OF JCT KY 37, Casey, KY
Over: Brush Creek
1.35 Mi N of KY-1552, Casey, KY
Over: Fishing Creek
0.2 Miles West of KY-328, Casey, KY
Over: SOUTH FORK CREEK
200 S OF JCT CR 5122, Casey, KY
Over: CARPENTERS CREEK
AT LINCOLN - CASEY CL, Casey, KY
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainBridges 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. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.