Buchanan County, IA

281 public highway bridges

Buchanan County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Buchanan County, Iowa contains 281 public highway bridges. Roughly 40.2% are rated “Good,” 48.4% “Fair,” and 5.7% “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.

281

Total Bridges

40.2%

Good

48.4%

Fair

5.7%

Poor Condition

Condition Distribution

Good

40.2% (113)

Fair

48.4% (136)

Poor

5.7% (16)

All Bridges (281)

Sort:

FM

Over: SMALL STREAM

089093606, Buchanan, IA

Built 1966 Load: 30.8 t ADT: 167

FM 250TH ST

Over: BUFFALO CREEK

088071603, Buchanan, IA

Built 1994 Load: 31.1 t ADT: 69

FM

Over: LITTLE SPRING CREEK

088103106, Buchanan, IA

Built 1987 Load: 31.2 t ADT: 1,070

FM

Over: SMALL STREAM

090072307, Buchanan, IA

Built 1970 Load: 31.4 t ADT: 599

FM

Over: SMALL STREAM

090072403, Buchanan, IA

Built 1970 Load: 31.4 t ADT: 599

FM

Over: SMALL STREAM

090073104, Buchanan, IA

Built 1968 Load: 31.4 t ADT: 982

LOC KEOKUK AVE

Over: SMALL STREAM

090090208, Buchanan, IA

Built 1976 Load: 31.4 t ADT: 154

FM

Over: SMITH CREEK

088083506, Buchanan, IA

Built 2003 Load: 32.1 t ADT: 324

LOCAL KING AVE

Over: SMALL STREAM

087092602, Buchanan, IA

Built 1970 Load: 32.4 t ADT: 62

FM VINCENT AV

Over: SMALL STREAM

088071502, Buchanan, IA

Built 1955 Load: 32.4 t ADT: 137

LOCAL 255TH ST

Over: SMALL STREAM

088082305, Buchanan, IA

Built 2006 Load: 32.4 t ADT: 11

LOCAL 240TH ST

Over: LIME CR

088101401, Buchanan, IA

Built 1967 Load: 32.4 t ADT: 34

LOCAL 180TH ST.

Over: PRAIRIE CREEK

089071601, Buchanan, IA

Built 1997 Load: 32.4 t ADT: 20

FM

Over: SMALL STREAM

089082204, Buchanan, IA

Built 1970 Load: 32.4 t ADT: 59

FM

Over: SMALL STREAM

089082803, Buchanan, IA

Built 1960 Load: 32.4 t ADT: 34

175TH AVE

Over: SMALL STREAM

089100703, Buchanan, IA

Built 1995 Load: 32.4 t ADT: 33

FM

Over: DRAINAGE DITCH

090071003, Buchanan, IA

Built 1955 Load: 32.4 t ADT: 44

LOC 100TH ST

Over: STREAM

090090201, Buchanan, IA

Built 1995 Load: 32.4 t ADT: 128

DEAD END 115 ST

Over: SMALL STREAM

000000000, Buchanan, IA

Built 1968 Load: 32.4 t ADT: 11

FM

Over: STREAM

089071902, Buchanan, IA

Built 1965 Load: 32.4 t ADT: 982

310TH STREET

Over: STREAM

087102301, Buchanan, IA

Built 2005 Load: 32.4 t ADT: 51

250TH ST

Over: UNNAMED CREEK

8808240100, Buchanan, IA

Built 2010 Load: 32.4 t ADT: 41

LOCAL 275TH ST

Over: SMITH CR

088083505, Buchanan, IA

Built 2002 Load: 32.6 t ADT: 26

IA 150

Over: WAPSIPINICON RIVER

IN INDEPENDENCE, Buchanan, IA

Built 1927 Load: 32.7 t ADT: 9,000

DANIAL AVE

Over: MUD CR

087101602, Buchanan, IA

Built 1989 Load: 32.7 t ADT: 73

270TH ST

Over: LIME CREEK

088103501, Buchanan, IA

Built 2015 Load: 32.7 t ADT: 30

LOCAL

Over: OTTER CREEK

090091603, Buchanan, IA

Built 1997 Load: 32.7 t ADT: 295

LOC 100TH ST

Over: W BRANCH BUFFALO CK

090080501, Buchanan, IA

Built 1979 Load: 32.8 t ADT: 79

220TH ST

Over: SMALL NATURAL STREAM

088100615, Buchanan, IA

Built 1999 Load: 33.7 t ADT: 2,494

LOCAL

Over: SMALL STREAM

088081502, Buchanan, IA

Built 1940 Load: 35.0 t ADT: 35

FM

Over: BUCK CREEK

090101801, Buchanan, IA

Built 1980 Load: 35.6 t ADT: 1,493

FM

Over: BUCK CREEK

090102006, Buchanan, IA

Built 1972 Load: 36.9 t ADT: 1,277

IA 150

Over: HARTE CREEK

0.2 mi. N OF Jct. SR D16, Buchanan, IA

Built 1984 Load: 39.1 t ADT: 3,890

IA 281

Over: LITTLE WAPSIPINICON RVR

0.2 mi. E of SR V62, Buchanan, IA

Built 1954 Load: 39.6 t ADT: 2,670

US 20

Over: DRY CREEK

0.6 MI. W OF Jct. SR W40, Buchanan, IA

Built 1979 Load: 40.5 t ADT: 8,300

HAMILTON AVE

Over: BEAR CR

087093004, Buchanan, IA

Built 2006 Load: 42.1 t ADT: 59

FM

Over: OTTER CREEK

089091907, Buchanan, IA

Built 2001 Load: 42.1 t ADT: 805

WB US 20

Over: BUFFALO CREEK

2.3 MI. E OF JCT. SR W40, Buchanan, IA

Built 1978 Load: 44.9 t ADT: 3,500

EB US 20

Over: BUFFALO CREEK

2.3 MI. E OF JCT. SR W40, Buchanan, IA

Built 1978 Load: 45.8 t ADT: 3,500

SB I-380

Over: LIME CREEK

0.7 MI. N OF JCT. SR D48, Buchanan, IA

Built 1984 Load: 46.8 t ADT: 8,850

EB US 20

Over: PINE CREEK

1.6 mi. W of jct. SR W40, Buchanan, IA

Built 1978 Load: 47.6 t ADT: 4,150

NB I-380

Over: LIME CREEK

0.6 MI. N OF JCT. SR D48, Buchanan, IA

Built 1984 Load: 48.1 t ADT: 8,850

LOC KENTUCKY AV

Over: SMALL STREAM

090092302, Buchanan, IA

Built 2002 Load: 49.5 t ADT: 41

FM

Over: SMALL CREEK

090101605, Buchanan, IA

Built 1998 Load: 50.0 t ADT: 1,650

142ND ST

Over: W BRANCH BUFFALO CR

9008277423, Buchanan, IA

Built 2011 Load: 51.3 t ADT: 47

FM 280TH ST.

Over: SPRING CREEK

087100601, Buchanan, IA

Built 1952 Load: 51.6 t ADT: 246

LOCAL 250TH ST

Over: PINE CR

088082003, Buchanan, IA

Built 2004 Load: 52.5 t ADT: 82

LOCAL 170TH ST.

Over: PINE CREEK

089080801, Buchanan, IA

Built 2009 Load: 52.8 t ADT: 47

LOCAL

Over: BUFFALO CREEK

088070609, Buchanan, IA

Built 1998 Load: 52.9 t ADT: 51

FM

Over: PINE CREEK

088082105, Buchanan, IA

Built 1991 Load: 52.9 t ADT: 776

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

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Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainBridges

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Compiled by PlainBridges, Independent data publisher

Every figure on PlainBridge 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.