Total bridges
172
Public highway bridges in Newton County
County profile · official public datasets
Newton County, IN
172 public highway bridges tracked in the FHWA National Bridge Inventory: 41.9% rated Good, 56.4% Fair, 1.7% Poor.
- 172
- Public bridges
- 41.9%
- Good condition
- 1.7%
- Poor condition
The verdict
According to the Federal Highway Administration's 2024 National Bridge Inventory.
Newton County posts a top-quartile lowest Poor-condition share among rated counties in the state across mid-size county bridge inventory.
- Top 12%
- lowest Poor share in state
- 1.7%
- Poor-condition share
- 172
- public highway bridges
- 1981
- avg year built
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.
Newton County Bridge Snapshot
According to the Federal Highway Administration's 2024 National Bridge Inventory, Newton County ranks #11 of 92 Indiana counties with at least 5 public highway bridges on Poor-condition share (lower share ranks better; currently 1.7%). Newton County, Indiana contains 172 public highway bridges. Roughly 41.9% are rated “Good,” 56.4% “Fair,” and 1.7% “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.
Good condition
41.9%
72 of 172 rated 7-9
Fair condition
56.4%
97 of 172 rated 5-6
Poor condition
1.7%
3 of 172 rated 4 or below
In-state Poor-share rank
#11 of 92
Among Indiana counties with 5+ bridges, lower share ranks better
Condition distribution
Share of 172 NBI-tracked bridges by lowest applicable component rating.
Good 41.9% (72)
Fair 56.4% (97)
Poor 1.7% (3)
Newton County's Poor-condition bridges carry 493 vehicle crossings a day
That is 0.2% of the county's reported daily bridge traffic on 1.2% of its bridges: Poor-condition structures carry less traffic than their share of the inventory. Each Poor bridge averages 247 crossings a day against 2,596 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 171 of 172 bridges in this county that report an average daily traffic count. Source: FHWA National Bridge Inventory, 2024 release.
37.2% of Newton County's bridges have passed the 50-year mark
64 of the 172 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 41.9% 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.
One structure carries 71% of the county's Poor-condition bridge traffic
STATELINE ROAD over RINER-HOUSEWORTH DITCH, built 1968, carries 350 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 3-bridge count understates how much of the daily burden sits on a single crossing.
Share is of the 493 daily crossings on Poor-rated bridges that report a traffic count. Source: FHWA National Bridge Inventory, 2024 release.
When Newton County's bridges were built
172 bridges with a recorded construction year, grouped by decade
- 1900s 2
1900–1909
2 bridges
- 1910s 3
1910–1919
3 bridges
- 1920s 2
1920–1929
2 bridges
- 1930s 7
1930–1939
7 bridges
- 1950s 13
1950–1959
13 bridges
- 1960s
1960–1969
32 bridges
- 1970s
1970–1979
16 bridges
- 1980s
1980–1989
16 bridges
- 1990s
1990–1999
39 bridges
- 2000s 13
2000–2009
13 bridges
- 2010s
2010–2019
24 bridges
- 2020s 5
2020–2029
5 bridges
What this shows Construction peaked in the 1990s, when 39 of the county's bridges still in the inventory were built, which is 22.7% of those with a recorded year. That cohort is now 25 to 34 years old in the 2024 inventory. Its average build year (1981) matches the Indiana average (1978).
How Newton County compares with Indiana's closest counties by inventory size
The 5 Indiana counties nearest Newton County in number of bridges, with their condition splits. Its 1.7% Poor share is the 1st-lowest of these 6. Its average build year of 1981 against a peer-group mean of 1975 is 6 years newer.
Showing the 5 closest of 91 Indiana counties eligible for comparison.
| County | Bridges | Good | Fair | Poor | Avg. built |
|---|---|---|---|---|---|
| Washington County | 174 | 44.8% | 52.9% | 2.3% | 1976 |
| Pike County | 172 | 50.6% | 39% | 10.5% | 1978 |
| Newton County (this page) | 172 | 41.9% | 56.4% | 1.7% | 1981 |
| Miami County | 171 | 34.5% | 57.9% | 7.6% | 1966 |
| Lawrence County | 165 | 32.1% | 58.2% | 9.7% | 1981 |
| Jennings County | 163 | 39.9% | 50.3% | 9.8% | 1973 |
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 Newton County's. Source: FHWA National Bridge Inventory, 2024 release.
Nationwide counties with similar inventory size or average build year
Two NBI-derived peer sets for Newton County, both outside Indiana so the neighborhoods are not the same-state size table above.
Similar inventory size
Nearest county inventories outside IN (172 bridges here).
- Colbert County, AL · 172 bridges
- Marshall County, AL · 172 bridges
- Moultrie County, IL · 172 bridges
- Houston County, MN · 172 bridges
Similar average build year
Nearest mean year-built outside IN (1981 here).
- Franklin County, OH · avg 1981 · 922 bridges
- Greenville County, SC · avg 1981 · 635 bridges
- Montgomery County, OH · avg 1981 · 632 bridges
- McLean County, IL · avg 1981 · 624 bridges
Source: FHWA National Bridge Inventory, 2024 release. Peers floor at 10 bridges so stub inventories cannot own the match.
Good-condition bridges (72)
US 41 SB
GoodOver: CHIZUM DITCH
01.63 N SR 16, Newton, IN
Built 2022 Load: 23.0 t ADT: 4,992
CR 1100 S
GoodOver: GUSHWA DITCH
0.3 MI W CR 650 E, Newton, IN
Built 2009 Load: 27.1 t ADT: 143
CR 200 E
GoodOver: MOFFITT DITCH
0.3 MI S CR 800 N, Newton, IN
Built 1991 Load: 27.8 t ADT: 143
CR 100 E
GoodOver: NARROWS DITCH
0.5 MI S DIVISION RD, Newton, IN
Built 1970 Load: 29.4 t ADT: 143
CR 650 E
GoodOver: GUSHWA DITCH
0.5 MI S CR 1000 S, Newton, IN
Built 1965 Load: 29.4 t ADT: 143
US 41 NB
GoodOver: IROQUOIS RIVER
02.77 S SR 16, Newton, IN
Built 1951 Load: 29.8 t ADT: 3,179
CR 250 E
GoodOver: HUNTER DITCH
0.1 MI N CR 1100 S, Newton, IN
Built 1996 Load: 30.0 t ADT: 143
US 41 SB
GoodOver: IROQUOIS RIVER
02.77 S SR 16, Newton, IN
Built 1951 Load: 30.1 t ADT: 3,179
CR 150 W
GoodOver: MONTGOMERY DITCH
0.3 MI S CR 1300 S, Newton, IN
Built 1992 Load: 31.0 t ADT: 143
CR 1400 S
GoodOver: SHELDON DITCH NO 1
0.1 MI W CR 525 W, Newton, IN
Built 2006 Load: 32.0 t ADT: 143
US 24
GoodOver: BONHAM DITCH
00.39 W SR 71, Newton, IN
Built 1994 Load: 32.7 t ADT: 3,793
US 41 NB
GoodOver: BEAVER LAKE DITCH
03.75 S SR 10, Newton, IN
Built 1958 Load: 32.7 t ADT: 4,869
SR 55
GoodOver: NORTH GRUDEN DITCH
01.05 N SR 16, Newton, IN
Built 2013 Load: 32.7 t ADT: 491
CR 375 S
GoodOver: CARLSON DITCH
0.1 MI W CR 650 W, Newton, IN
Built 1986 Load: 32.7 t ADT: 143
CR 400 N
GoodOver: LAWLER DITCH
0.7 MI E CR 600 W, Newton, IN
Built 1993 Load: 32.7 t ADT: 709
CR 1400 S
GoodOver: MONTGOMERY DITCH
0.0 MI INT CR 50 E, Newton, IN
Built 1964 Load: 32.7 t ADT: 143
CR 1400 S
GoodOver: OBRIEN DITCH
0.2 MI E CR 200 E, Newton, IN
Built 1982 Load: 32.7 t ADT: 143
LAKE KENOYER RD
GoodOver: IROQUOIS RIVER
0.2 MI NW CR 175 E, Newton, IN
Built 1990 Load: 32.7 t ADT: 427
CR 1550 S
GoodOver: MORRISON DITCH NO 1
0.3 MI W CR 50 W, Newton, IN
Built 1990 Load: 32.7 t ADT: 143
CR 700 S
GoodOver: CLINE DITCH
0.3 MI E CR 150 E, Newton, IN
Built 1995 Load: 32.7 t ADT: 143
CR 500 S
GoodOver: TURNER DITCH
0.7 MI W SR 55, Newton, IN
Built 1995 Load: 32.7 t ADT: 143
CR 700 W
GoodOver: SHELDON DITCH NO 1
0.9 MI S CR 1400 S, Newton, IN
Built 1997 Load: 32.7 t ADT: 143
CR 1550 S
GoodOver: BOWER DITCH
0.1 MI W CR 200 E, Newton, IN
Built 2008 Load: 32.7 t ADT: 143
CR 200 W
GoodOver: BEAVER LAKE DITCH
0.3 MI S CR 600 N, Newton, IN
Built 1950 Load: 32.7 t ADT: 143
CR 1125 S
GoodOver: THOMPSON DITCH
0.0 MI INT CR 600 W, Newton, IN
Built 2011 Load: 33.7 t ADT: 143
CR 650 E
GoodOver: GUSHWA DITCH
0.5 MI S CR 1100 S, Newton, IN
Built 1988 Load: 33.9 t ADT: 143
US 41 SB
GoodOver: KANKAKEE RIVER
02.03 N SR 10, Newton, IN
Built 1954 Load: 34.3 t ADT: 7,635
CR 300 W
GoodOver: THOMPSON DITCH
0.5 MI S CR 900 S, Newton, IN
Built 2016 Load: 34.3 t ADT: 152
CR 1275 S
GoodOver: MONTGOMERY DITCH
0.2 MI E CR 600 W, Newton, IN
Built 2020 Load: 34.3 t ADT: 143
CR 525 E
GoodOver: CURTIS CREEK
0.1 MI N CR 100 S, Newton, IN
Built 2015 Load: 34.7 t ADT: 143
SR 55
GoodOver: KANKAKEE RIVER
02.81 N SR 10, Newton, IN
Built 1997 Load: 35.3 t ADT: 2,616
CR 575 E
GoodOver: MOSQUITO CREEK
0.1 MI N SR 16, Newton, IN
Built 2015 Load: 35.6 t ADT: 143
CR 1700 S
GoodOver: BOWTON DITCH
0.2 MI W CR 625 W, Newton, IN
Built 2006 Load: 35.9 t ADT: 143
CR 1000 S
GoodOver: THOMPSON DITCH
0.1 MI W CR 350 W, Newton, IN
Built 1968 Load: 36.3 t ADT: 143
CR 350 W
GoodOver: THOMPSON DITCH
0.1 MI N CR 1000 S, Newton, IN
Built 2018 Load: 37.6 t ADT: 143
SR 16
GoodOver: JONES DITCH
03.46 E US 41, Newton, IN
Built 1990 Load: 38.6 t ADT: 1,785
CR 1200 S
GoodOver: HUNTER DITCH
0.1 MI W CR 350 E, Newton, IN
Built 2016 Load: 38.6 t ADT: 143
CR 500 W
GoodOver: THOMPSON DITCH
0.6 MI S CR 1000 S, Newton, IN
Built 2016 Load: 38.6 t ADT: 143
SR 10
GoodOver: BEST DITCH
03.28 W US 41, Newton, IN
Built 1934 Load: 38.9 t ADT: 2,537
I-65 NB
GoodOver: NS RR
03.67 N SR 10, Newton, IN
Built 1966 Load: 40.2 t ADT: 46,144
US 41 NB
GoodOver: MONTGOMERY DITCH
02.66 N US 24, Newton, IN
Built 2018 Load: 40.5 t ADT: 2,370
US 41 SB
GoodOver: MONTGOMERY DITCH
02.66 N US 24, Newton, IN
Built 2019 Load: 40.5 t ADT: 2,370
CR 900 S
GoodOver: THOMPSON DITCH
0.5 MI W US 41, Newton, IN
Built 2009 Load: 40.5 t ADT: 569
CR 600 W
GoodOver: BEAVER CREEK
0.2 MI S CR 300 S, Newton, IN
Built 1982 Load: 40.8 t ADT: 143
N MERIDIAN RD
GoodOver: KNIGHT DITCH
0.0 MI INT CR 700 N, Newton, IN
Built 2016 Load: 41.1 t ADT: 143
CR 1200 S
GoodOver: DARROCH DITCH
0.2 MI W CR 200 E, Newton, IN
Built 1965 Load: 41.5 t ADT: 143
KENT ST
GoodOver: KENT DITCH
0.1 MI E 4TH ST, Newton, IN
Built 2016 Load: 41.8 t ADT: 852
US 41 NB
GoodOver: ABANDONED RR
01.09 N SR 114, Newton, IN
Built 1953 Load: 42.4 t ADT: 4,168
US 41 SB
GoodOver: ABANDONED RR
01.09 N SR 114, Newton, IN
Built 1953 Load: 42.4 t ADT: 2,549
SR 55
GoodOver: KNIGHT DITCH
06.28 N SR 14, Newton, IN
Built 2013 Load: 43.1 t ADT: 710
Read our methodology - how this data is sourced, computed, and verified.
Related
Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainBridges
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.