County profile · official public datasets

Jackson County, MO

930 public highway bridges tracked in the FHWA National Bridge Inventory: 42.2% rated Good, 52.5% Fair, 5.4% Poor.

930
Public bridges
42.2%
Good condition
5.4%
Poor condition

The verdict

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

Jackson County posts a top-quartile lowest Poor-condition share among rated counties in the state across large county bridge inventory.

Top 23%
lowest Poor share in state
5.4%
Poor-condition share
930
public highway bridges
1982
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.

Jackson County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Jackson County ranks #27 of 115 Missouri counties with at least 5 public highway bridges on Poor-condition share (lower share ranks better; currently 5.4%). Jackson County, Missouri contains 930 public highway bridges. Roughly 42.2% are rated “Good,” 52.5% “Fair,” and 5.4% “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

930

Public highway bridges in Jackson County

Good condition

42.2%

392 of 930 rated 7-9

Fair condition

52.5%

488 of 930 rated 5-6

Poor condition

5.4%

50 of 930 rated 4 or below

In-state Poor-share rank

#27 of 115

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

Condition distribution

Share of 930 NBI-tracked bridges by lowest applicable component rating.

Good
42.2% (392)
Fair
52.5% (488)
Poor
5.4% (50)

Jackson County's Poor-condition bridges carry 521,373 vehicle crossings a day

That is 3.5% of the county's reported daily bridge traffic on 5.4% of its bridges: Poor-condition structures carry less traffic than their share of the inventory. Each Poor bridge averages 10,427 crossings a day against 12,739 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 929 of 930 bridges in this county that report an average daily traffic count. Source: FHWA National Bridge Inventory, 2024 release.

40.3% of Jackson County's bridges have passed the 50-year mark

375 of the 930 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 42.2% 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 18.1% of the county's Poor-condition bridge traffic

IS 435 S over GRAVE CR, built 1964, carries 94,457 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 50-bridge count understates how much of the daily burden sits on a single crossing.

Share is of the 521,373 daily crossings on Poor-rated bridges that report a traffic count. Source: FHWA National Bridge Inventory, 2024 release.

When Jackson County's bridges were built

930 bridges with a recorded construction year, grouped by decade

bridges

What this shows Construction peaked in the 1960s, when 163 of the county's bridges still in the inventory were built, which is 17.5% of those with a recorded year. That cohort is now 55 to 64 years old in the 2024 inventory. Its average build year (1982) matches the Missouri average (1979).

Source FHWA National Bridge Inventory (year built) As of 2024 NBI release

How Jackson County compares with Missouri's closest counties by inventory size

The 5 Missouri counties nearest Jackson County in number of bridges, with their condition splits. Its 5.4% Poor share is the 4th-lowest of these 6. Its average build year of 1982 against a peer-group mean of 1979 is in line with the group.

Showing the 5 closest of 114 Missouri counties eligible for comparison.

Bridge inventory size and condition shares for Jackson County and the 5 Missouri counties closest to it in inventory size
County Bridges Poor
Jackson County (this page) 930 5.4%
St. Louis County 912 5.4%
Greene County 493 5.3%
Johnson County 476 4.4%
Jasper County 471 11%
Clay County 436 6.9%

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

Similar inventory size

Nearest county inventories outside MO (930 bridges here).

Similar average build year

Nearest mean year-built outside MO (1982 here).

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

All 930 Good 392 Fair 488 Poor 50

Good-condition bridges (392)

TRUMAN RD

Good

Over: TRIB TO SPRING BR

S 5 T 49 N R 31 W, Jackson, MO

Built 2011 Load: 32.4 t ADT: 4,000

S JACKSON DR

Good

Over: BR OF CRACKERNAK C

S 17 T 49 N R 30 W, Jackson, MO

Built 2010 Load: 32.4 t ADT: 1,000

LONGVIEW RD

Good

Over: CEDAR CR

S 12 T 47 N R 32 W, Jackson, MO

Built 2010 Load: 32.4 t ADT: 3,925

WARD RD

Good

Over: BR OF RAINTREE LK

S 36 T 47 N R 32 W, Jackson, MO

Built 2003 Load: 32.4 t ADT: 8,600

LANE AVE

Good

Over: WHITE OAK CR

S 20 T 48 N R 32 W, Jackson, MO

Built 1970 Load: 32.4 t ADT: 100

MARION PARK DR

Good

Over: HART GROVE CR

S 26 T 48 N R 33 W, Jackson, MO

Built 1995 Load: 32.4 t ADT: 234

S BASS PRO DR

Good

Over: SPILLWAY

S 29 T 49 N R 31 W, Jackson, MO

Built 2010 Load: 32.4 t ADT: 2,000

NE TUDOR RD

Good

Over: UP RR

S 31 T 48 N R 31 W, Jackson, MO

Built 2016 Load: 32.4 t ADT: 9,400

83RD ST

Good

Over: BR OF WHITE OAK

S 16 T 48 N R 32 W, Jackson, MO

Built 2017 Load: 32.4 t ADT: 3,900

27TH ST EXT

Good

Over: PARSONS SUB

S 7 T 49 N R 33 W, Jackson, MO

Built 1966 Load: 32.4 t ADT: 100

RP IS435N TO IS70W

Good

Over: RP IS435S TO IS70E

S 19 T 49 N R 32 W, Jackson, MO

Built 2021 Load: 32.4 t ADT: 11,500

STATELINE RD

Good

Over: PARKING LOT ACCESS

S 19 T 48 N R 33 W, Jackson, MO

Built 1970 Load: 32.4 t ADT: 27,375

TUDOR RD

Good

Over: DRAINAGE DTCH

S 31 T 48 N R 31 W, Jackson, MO

Built 2016 Load: 32.4 t ADT: 9,400

LEGACY WOOD DR

Good

Over: TRIB PRAIRIELEE LK

S 2 T 47 N R 31 W, Jackson, MO

Built 2019 Load: 32.4 t ADT: 300

MARYWOOD LN

Good

Over: TRIB PRAIRIELEE LK

S 2 T 47 N R 31 W, Jackson, MO

Built 2019 Load: 32.4 t ADT: 300

COLBERN ROAD

Good

Over: TRIB TO UNITY LAKE

S 30 T 48 N R 31 W, Jackson, MO

Built 2023 Load: 32.4 t ADT: 9,498

WARD RD

Good

Over: CEDAR CR TRIB NO 3

S 12 T 47 N R 32 W, Jackson, MO

Built 2021 Load: 32.4 t ADT: 2,000

IS 70 E

Good

Over: KCS RR

S 28 T 49 N R 31 W, Jackson, MO

Built 1963 Load: 32.4 t ADT: 49,469

COMMANDERS RIDGE

Good

Over: WEST FIRE PRAIRIE CREEK

S SEWAGE DISPOSAL PLANT, Jackson, MO

Built 2011 Load: 32.7 t ADT: 500

PERIMETER NORTH

Good

Over: FIRE PRAIRIE CREEK

WEST OF T3, Jackson, MO

Built 2012 Load: 32.7 t ADT: 50

US 40 E

Good

Over: LIT BLUE RVR

S 29 T 49 N R 31 W, Jackson, MO

Built 2000 Load: 33.3 t ADT: 10,266

RT W E

Good

Over: CST BLUE RIVER RD

S 27 T 48 N R 33 W, Jackson, MO

Built 1969 Load: 33.3 t ADT: 6,144

CHARLOTTE ST

Good

Over: KCT RAILWAY

S 8 T 49 N R 33 W, Jackson, MO

Built 1988 Load: 33.3 t ADT: 1,897

HICKMAN MILLS DR

Good

Over: CREEK

S 35 T 48 N R 33 W, Jackson, MO

Built 1997 Load: 33.3 t ADT: 3,941

IS 470 W

Good

Over: CST HICKMAN MILLS DR HI

S 35 T 48 N R 33 W, Jackson, MO

Built 2002 Load: 33.3 t ADT: 34,735

RHINEHART RD

Good

Over: CEDAR CR

S 13 T 48 N R 32 W, Jackson, MO

Built 2005 Load: 33.3 t ADT: 805

PRYOR RD

Good

Over: CEDAR CR

S 11 T 47 N R 32 W, Jackson, MO

Built 2009 Load: 33.3 t ADT: 300

RP MO150W TO THUND

Good

Over: MO 150

S 35 T 47 N R 33 W, Jackson, MO

Built 2012 Load: 33.3 t ADT: 496

LIT BLUE PARKWY NB

Good

Over: BUNDSHU CR

S 34 T 50 N R 31 W, Jackson, MO

Built 2012 Load: 33.3 t ADT: 2,000

COLBERN ROAD

Good

Over: UPRR LITTLE CEDAR CR

S 25 T 48 N R 32 W, Jackson, MO

Built 2023 Load: 33.3 t ADT: 9,498

RENNICK RD

Good

Over: BR OF SNI-A-BAR CR

S 21 T 49 N R 29 W, Jackson, MO

Built 1994 Load: 34.2 t ADT: 185

STRINGTOWN RD

Good

Over: SMALL CR

S 26 T 47 N R 30 W, Jackson, MO

Built 1995 Load: 34.2 t ADT: 160

GRAND AVE

Good

Over: KCS RR FIRST ST UP RR

S 32 T 50 N R 33 W, Jackson, MO

Built 1997 Load: 34.2 t ADT: 4,368

RP IS670E TO WYOMI

Good

Over: FILL TO A3136

S 6 T 49 N R 33 W, Jackson, MO

Built 1987 Load: 34.2 t ADT: 1,568

SB HICKMAN MILLS

Good

Over: BIG BLUE RVR

S 22 T 48 N R 33 W, Jackson, MO

Built 1992 Load: 34.2 t ADT: 3,386

RP IS470W TO PRYOR

Good

Over: RP IS470W TO MO350W RP

S 36 T 48 N R 32 W, Jackson, MO

Built 2009 Load: 34.2 t ADT: 5,730

E BASS PRO DR

Good

Over: E TRIB LITTLE BLUE

S 30 T 49 N R 31 W, Jackson, MO

Built 2010 Load: 34.2 t ADT: 2,000

US 50 W

Good

Over: CST SE BLACKWELL RD

S 11 T 47 N R 31 W, Jackson, MO

Built 2015 Load: 34.2 t ADT: 22,759

US 50 E

Good

Over: CST SE BLACKWELL RD

S 11 T 47 N R 31 W, Jackson, MO

Built 2015 Load: 34.2 t ADT: 27,003

MO 7 S

Good

Over: W PRAIRIE CR

S 12 T 49 N R 31 W, Jackson, MO

Built 1984 Load: 34.2 t ADT: 5,317

RP IS435N TO IS70W

Good

Over: IS 70

S 19 T 32 N R 49 W, Jackson, MO

Built 2021 Load: 34.2 t ADT: 11,500

MO 291 S

Good

Over: CST TRUMAN RD ABANDON

S 6 T 49 N R 31 W, Jackson, MO

Built 1990 Load: 34.2 t ADT: 45,685

TROOST AVE S

Good

Over: RP E 22ND ST TO US71N

S 8 T 49 N R 33 W, Jackson, MO

Built 1998 Load: 35.1 t ADT: 4,663

MAJOR RD

Good

Over: TRIB W FK SNI-A-B

S 14 T 48 N R 30 W, Jackson, MO

Built 2000 Load: 35.1 t ADT: 594

HARRIS RD

Good

Over: WILSON CR

S 36 T 47 N R 31 W, Jackson, MO

Built 2002 Load: 35.1 t ADT: 185

MO 9 S

Good

Over: CST E 5TH ST

S 26 T 50 N R 33 W, Jackson, MO

Built 1985 Load: 35.1 t ADT: 9,691

IS 435 S

Good

Over: RP IS435N TO IS70W

S 19 T 49 N R 32 W, Jackson, MO

Built 2021 Load: 35.1 t ADT: 36,579

E 67TH ST E

Good

Over: IS 435

S 34 T 48 N R 32 W, Jackson, MO

Built 2021 Load: 35.1 t ADT: 3,724

US 71 N

Good

Over: CST PROSPECT AVE

S 28 T 49 N R 33 W, Jackson, MO

Built 1995 Load: 36.0 t ADT: 39,647

MO 291 N

Good

Over: NS RR SHOAL CR

S 29 T 51 N R 31 W, Jackson, MO

Built 1969 Load: 36.0 t ADT: 15,786

Read our methodology - how this data is sourced, computed, and verified.

Related

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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.