Total bridges
126
Public highway bridges in Nowata County
County profile · official public datasets
Nowata County, OK
126 public highway bridges tracked in the FHWA National Bridge Inventory: 44.4% rated Good, 42.9% Fair, 12.7% Poor.
- 126
- Public bridges
- 44.4%
- Good condition
- 12.7%
- Poor condition
The verdict
According to the Federal Highway Administration's 2024 National Bridge Inventory.
Nowata County posts a higher-than-median Poor-condition share among rated counties in the state across mid-size county bridge inventory.
- 66th
- of 77 on Poor share
- 12.7%
- Poor-condition share
- 126
- public highway bridges
- 1980
- 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.
Nowata County Bridge Snapshot
According to the Federal Highway Administration's 2024 National Bridge Inventory, Nowata County ranks #66 of 77 Oklahoma counties with at least 5 public highway bridges on Poor-condition share (lower share ranks better; currently 12.7%). Nowata County, Oklahoma contains 126 public highway bridges. Roughly 44.4% are rated “Good,” 42.9% “Fair,” and 12.7% “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
44.4%
56 of 126 rated 7-9
Fair condition
42.9%
54 of 126 rated 5-6
Poor condition
12.7%
16 of 126 rated 4 or below
In-state Poor-share rank
#66 of 77
Among Oklahoma counties with 5+ bridges, lower share ranks better
Condition distribution
Share of 126 NBI-tracked bridges by lowest applicable component rating.
Good 44.4% (56)
Fair 42.9% (54)
Poor 12.7% (16)
Nowata County's Poor-condition bridges carry 8,951 vehicle crossings a day
That is 8% of the county's reported daily bridge traffic on 12.7% of its bridges: Poor-condition structures carry less traffic than their share of the inventory. Each Poor bridge averages 559 crossings a day against 1,319 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 126 of 126 bridges in this county that report an average daily traffic count. Source: FHWA National Bridge Inventory, 2024 release.
46% of Nowata County's bridges have passed the 50-year mark
58 of the 126 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 44.4% 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 76% of the county's Poor-condition bridge traffic
U.S. 169 over CREEK, built 1937, carries 6,800 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 16-bridge count understates how much of the daily burden sits on a single crossing.
Share is of the 8,951 daily crossings on Poor-rated bridges that report a traffic count. Source: FHWA National Bridge Inventory, 2024 release.
When Nowata County's bridges were built
126 bridges with a recorded construction year, grouped by decade
- 1920s 1
1920–1929
1 bridges
- 1930s
1930–1939
17 bridges
- 1940s
1940–1949
11 bridges
- 1950s 6
1950–1959
6 bridges
- 1960s
1960–1969
18 bridges
- 1970s 6
1970–1979
6 bridges
- 1980s
1980–1989
10 bridges
- 1990s
1990–1999
11 bridges
- 2000s
2000–2009
17 bridges
- 2010s
2010–2019
20 bridges
- 2020s
2020–2029
9 bridges
What this shows Construction peaked in the 2010s, when 20 of the county's bridges still in the inventory were built, which is 15.9% of those with a recorded year. That cohort is now 5 to 14 years old in the 2024 inventory. Its average build year (1980) matches the Oklahoma average (1977).
How Nowata County compares with Oklahoma's closest counties by inventory size
The 5 Oklahoma counties nearest Nowata County in number of bridges, with their condition splits. Its 12.7% Poor share is the 5th-lowest of these 6. Its average build year of 1980 against a peer-group mean of 1974 is 6 years newer.
Showing the 5 closest of 76 Oklahoma counties eligible for comparison.
| County | Bridges | Good | Fair | Poor | Avg. built |
|---|---|---|---|---|---|
| Adair County | 139 | 35.3% | 50.4% | 14.4% | 1970 |
| Love County | 133 | 42.1% | 56.4% | 1.5% | 1977 |
| Murray County | 129 | 46.5% | 51.2% | 2.3% | 1976 |
| Harper County | 128 | 33.6% | 64.8% | 1.6% | 1975 |
| Nowata County (this page) | 126 | 44.4% | 42.9% | 12.7% | 1980 |
| Texas County | 111 | 40.5% | 58.6% | 0.9% | 1974 |
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 Nowata 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 Nowata County, both outside Oklahoma so the neighborhoods are not the same-state size table above.
Similar inventory size
Nearest county inventories outside OK (126 bridges here).
- Bibb County, AL · 126 bridges
- Coosa County, AL · 126 bridges
- Lawrence County, AR · 126 bridges
- Coffee County, GA · 126 bridges
Similar average build year
Nearest mean year-built outside OK (1980 here).
- Miami-Dade County, FL · avg 1980 · 1,057 bridges
- Pulaski County, AR · avg 1980 · 721 bridges
- McLennan County, TX · avg 1980 · 714 bridges
- Hinds County, MS · avg 1980 · 663 bridges
Source: FHWA National Bridge Inventory, 2024 release. Peers floor at 10 bridges so stub inventories cannot own the match.
All bridges (126)
N4210
FairOver: PANTHER CREEK
9.5 MI SE OF US 60, Nowata, OK
Built 1950 Load: 11.3 t ADT: 100
E0200
FairOver: WESTERN BRANCH
2.0 MI NE OF US 60, Nowata, OK
Built 1960 Load: 12.1 t ADT: 100
N4070
FairOver: CURL CREEK
7.0 MI W OF NOWATA, Nowata, OK
Built 1930 Load: 13.7 t ADT: 100
N4120
FairOver: OPOSSUM CREEK
7.0 MI N OF SH 10, Nowata, OK
Built 1930 Load: 13.8 t ADT: 50
N4136 (S. MAPLE)
FairOver: SEWER CREEK
348 S MAPLE, Nowata, OK
Built 1938 Load: 14.3 t ADT: 401
E0250
FairOver: PURGATORY CREEK
9.5 MI SW OF NOWATA, Nowata, OK
Built 1942 Load: 14.7 t ADT: 100
5344C
FairOver: CHICKEN CREEK
5.5 MI SE OF SH 10, Nowata, OK
Built 1948 Load: 14.7 t ADT: 100
N4135
FairOver: CREEK
1N of LENAPAH, Nowata, OK
Built 1925 Load: 19.6 t ADT: 100
N4140
FairOver: VINEGAR CREEK
1.5 S SOUTH COFFEYVILLE, Nowata, OK
Built 1930 Load: 19.6 t ADT: 100
5348C
FairOver: CHUCKLE CREEK
13.8 MI NE OF SH 10, Nowata, OK
Built 1932 Load: 19.6 t ADT: 100
E0230
FairOver: CREEK
1.5 SE OF US 60, Nowata, OK
Built 1937 Load: 19.6 t ADT: 100
N4210
FairOver: SNOW CREEK
10.6 MI NE OF SH 10, Nowata, OK
Built 1939 Load: 19.6 t ADT: 100
E0160
FairOver: COON CREEK
3.2NE OF CHILDER, Nowata, OK
Built 2009 Load: 19.6 t ADT: 100
N4230
FairOver: PANTHER CREEK
1 E SH-28, Nowata, OK
Built 2022 Load: 19.6 t ADT: 100
5344C
FairOver: TUCKER CREEK
5.0 MI E OF SH 10, Nowata, OK
Built 1948 Load: 20.0 t ADT: 100
N4210
FairOver: LIGHTNING CREEK
8.0 MI SE OF US 60, Nowata, OK
Built 1989 Load: 21.1 t ADT: 100
U.S. 60
FairOver: LITTLE SALT CREEK
8.0 MI E JCT US 169, Nowata, OK
Built 1937 Load: 21.2 t ADT: 1,600
E0190
FairOver: MORMON CREEK
5.0 MI NW OF 169, Nowata, OK
Built 1930 Load: 21.9 t ADT: 100
E0190
FairOver: CREEK
2.0 MI N OF NOWATA, Nowata, OK
Built 1965 Load: 22.5 t ADT: 100
5320C
FairOver: FOUR MILE CREEK
8.7 MI SW OF US 60, Nowata, OK
Built 1948 Load: 24.8 t ADT: 100
FAS 5315
FairOver: CREEK
9.2 MI SE OF US 60, Nowata, OK
Built 1955 Load: 24.8 t ADT: 100
E0020
FairOver: CREEK
2.6 MI W OF US 169, Nowata, OK
Built 1948 Load: 25.9 t ADT: 100
5344C
FairOver: CREEK
1.5 MI N OF CHILDER, Nowata, OK
Built 1948 Load: 25.9 t ADT: 100
E0170
FairOver: CREEK
0.1 MI W OF US 169, Nowata, OK
Built 1950 Load: 26.3 t ADT: 100
E0020
FairOver: CREEK
3.9 MI W OF US 169, Nowata, OK
Built 1948 Load: 26.9 t ADT: 100
EW 2
FairOver: VINEGAR CREEK
0.4 MI W OF US 169, Nowata, OK
Built 1948 Load: 26.9 t ADT: 100
U.S. 169
FairOver: CREEK
6.1 MI N JCT US 60, Nowata, OK
Built 1970 Load: 27.0 t ADT: 4,800
E0280
FairOver: PANTHER CREEK
10.0 MI SE OF US 60, Nowata, OK
Built 1988 Load: 28.9 t ADT: 100
N4200
FairOver: CREEK
6.0 MI E OF US 60, Nowata, OK
Built 1970 Load: 31.3 t ADT: 100
U.S. 169
FairOver: CLEAR CREEK
14 MI N JCT US 60, Nowata, OK
Built 1967 Load: 31.4 t ADT: 4,900
5342C
FairOver: CREEK
3.5 MI NE OF SH 10, Nowata, OK
Built 1963 Load: 31.6 t ADT: 100
E0250
FairOver: LIGHTNING CREEK
1.2E 3S JCT SH28/US60, Nowata, OK
Built 2008 Load: 32.2 t ADT: 100
S.H. 10
FairOver: CALIFORNIA CREEK
6.2 MI W OF US 169, Nowata, OK
Built 1962 Load: 32.7 t ADT: 920
E0160
FairOver: CREEK
.1W of U.S. 169, Nowata, OK
Built 2008 Load: 32.7 t ADT: 100
5342C
FairOver: CROW HOLLOW CREEK
8.1NE of SH 10, Nowata, OK
Built 2001 Load: 32.8 t ADT: 107
N4080
FairOver: OPOSSUM CREEK
9.2 MI NW OF SH 10, Nowata, OK
Built 1999 Load: 33.1 t ADT: 100
5304C
FairOver: SNOW CREEK
11.2 MI NE OF SH 10, Nowata, OK
Built 1994 Load: 33.6 t ADT: 100
5316C
FairOver: BIG CREEK
5.2 MI NE OF CHILDERS, Nowata, OK
Built 1982 Load: 34.7 t ADT: 100
N4110
FairOver: WOLF CREEK
6.3NW OF 169, Nowata, OK
Built 2001 Load: 34.7 t ADT: 60
N4090
FairOver: MORMON CREEK
2.5N 60; 5W 169, Nowata, OK
Built 2002 Load: 34.7 t ADT: 276
S.H. 10
FairOver: HICKORY CREEK
2.0 MI W US 169, Nowata, OK
Built 1987 Load: 35.5 t ADT: 920
N4100
FairOver: WOLF CREEK
4W 2N US169/SH28, Nowata, OK
Built 2008 Load: 38.6 t ADT: 100
U.S. 169
FairOver: CREEK
3.8 MI N JCT US 60, Nowata, OK
Built 1960 Load: 38.9 t ADT: 5,400
E0225
FairOver: N FORK DOUBLE CREEK TRIB
2.1W OF HWY 169, Nowata, OK
Built 2012 Load: 41.4 t ADT: 100
N4150
FairOver: CREEK
2.3 MI NE OF US 60, Nowata, OK
Built 1955 Load: 43.1 t ADT: 100
5342C
FairOver: CREEK
3.0 MI E OF SH 10, Nowata, OK
Built 1966 Load: 43.5 t ADT: 100
5304C
FairOver: VERDIGRIS RIVER
1.5 SE SOUTH COFFEYVILLE, Nowata, OK
Built 1974 Load: 43.7 t ADT: 100
E0220
FairOver: N. FORK DOUBLE CREEK
3.0 MI W OF US 60, Nowata, OK
Built 1987 Load: 44.9 t ADT: 100
N4070
FairOver: OPOSSUM CREEK
10.4 NW OF 10, Nowata, OK
Built 1982 Load: 47.6 t ADT: 100
N4100
FairOver: OPOSSUM CREEK TRIB.
2.8W 3.2N JCT US169/SH10, Nowata, OK
Built 2008 Load: 48.5 t ADT: 100
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.