County profile · official public datasets

Mayes County, OK

233 public highway bridges tracked in the FHWA National Bridge Inventory: 39.5% rated Good, 47.2% Fair, 13.3% Poor.

233
Public bridges: 39.5%
Good condition: 13.3%
Poor condition

The verdict

According to the Federal Highway Administration's 2024 National Bridge Inventory.

Mayes County posts a higher-than-median Poor-condition share among rated counties in the state across mid-size county bridge inventory.

67th
of 77 on Poor share: 13.3%
Poor-condition share: 233
public highway bridges: 1975
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.

Mayes County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Mayes County ranks #67 of 77 Oklahoma counties with at least 5 public highway bridges on Poor-condition share (lower share ranks better; currently 13.3%). Mayes County, Oklahoma contains 233 public highway bridges. Roughly 39.5% are rated “Good,” 47.2% “Fair,” and 13.3% “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

233

Public highway bridges in Mayes County

Good condition

39.5%

92 of 233 rated 7-9

Fair condition

47.2%

110 of 233 rated 5-6

Poor condition

13.3%

31 of 233 rated 4 or below

In-state Poor-share rank

#67 of 77

Among Oklahoma counties with 5+ bridges, lower share ranks better

Condition distribution

Share of 233 NBI-tracked bridges by lowest applicable component rating.

Good

39.5% (92)

Fair

47.2% (110)

Poor

13.3% (31)

Mayes County's Poor-condition bridges carry 13,242 vehicle crossings a day

That is 1.9% of the county's reported daily bridge traffic on 13.3% of its bridges: Poor-condition structures carry less traffic than their share of the inventory. Each Poor bridge averages 427 crossings a day against 3,669 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 233 of 233 bridges in this county that report an average daily traffic count. Source: FHWA National Bridge Inventory, 2024 release.

43.8% of Mayes County's bridges have passed the 50-year mark

102 of the 233 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 39.5% 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 24.3% of the county's Poor-condition bridge traffic

FAS 4907 over TRIB OF NEOSHO RIVER, built 1940, carries 3,219 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 31-bridge count understates how much of the daily burden sits on a single crossing.

Share is of the 13,242 daily crossings on Poor-rated bridges that report a traffic count. Source: FHWA National Bridge Inventory, 2024 release.

1910s

1
1920s

7
1930s

25
1940s

21
1950s

29
1960s

19
1970s

7
1980s

27
1990s

50
2000s

15
2010s

26
2020s

6

What this shows Construction peaked in the 1990s, when 50 of the county's bridges still in the inventory were built, which is 21.5% of those with a recorded year. That cohort is now 25 to 34 years old in the 2024 inventory. Its average build year (1975) matches the Oklahoma average (1977).

How Mayes County compares with Oklahoma's closest counties by inventory size

The 5 Oklahoma counties nearest Mayes County in number of bridges, with their condition splits. Its 13.3% Poor share is the 6th-lowest of these 6. Its average build year of 1975 against a peer-group mean of 1974 is in line with the group.

Showing the 5 closest of 76 Oklahoma counties eligible for comparison.

Bridge inventory size and condition shares for Mayes County and the 5 Oklahoma counties closest to it in inventory size
County	Bridges	Good	Fair	Poor	Avg. built
Pushmataha County	247	63.2%	32%	4.9%	1972
McClain County	242	40.9%	54.5%	4.5%	1983
Pontotoc County	241	44.8%	53.5%	1.7%	1980
Mayes County (this page)	233	39.5%	47.2%	13.3%	1975
Atoka County	232	65.1%	31.5%	3.4%	1976
Greer County	230	44.8%	53.5%	1.7%	1957

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 Mayes 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 Mayes County, both outside Oklahoma so the neighborhoods are not the same-state size table above.

Similar inventory size

Nearest county inventories outside OK (233 bridges here).

Pickens County, AL · 233 bridges
Washington County, IL · 233 bridges
Lawrence County, MO · 233 bridges
Oswego County, NY · 233 bridges

Similar average build year

Nearest mean year-built outside OK (1975 here).

San Bernardino County, CA · avg 1975 · 1,422 bridges
Lane County, OR · avg 1975 · 1,010 bridges
Fulton County, GA · avg 1975 · 775 bridges
Westmoreland County, PA · avg 1975 · 620 bridges

Source: FHWA National Bridge Inventory, 2024 release. Peers floor at 10 bridges so stub inventories cannot own the match.

All 233 Good 92 Fair 110 Poor 31

Poor-condition bridges (31)

Sort:

Mayes County Bridge Snapshot

Condition distribution

Mayes County's Poor-condition bridges carry 13,242 vehicle crossings a day

43.8% of Mayes County's bridges have passed the 50-year mark

One structure carries 24.3% of the county's Poor-condition bridge traffic

How Mayes County compares with Oklahoma's closest counties by inventory size

Nationwide counties with similar inventory size or average build year

Similar inventory size

Similar average build year

Poor-condition bridges (31)

N4310

E0540

E0381

E0480

FAS 4907

N4400

4948C

E0360

4908C

E0600

D4293

4910C

4948C

N4380

4950C

N4270

E0480

FAS 4918

FAS 4918

4936C

N4300

4948C

N4340

4910C

N4420

IRR E0420

4950C

U.S. 412 ALT.

E0500

N4290

4932C

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