Mahaska County, IA

219 public highway bridges

Mahaska County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Mahaska County, Iowa contains 219 public highway bridges. Roughly 24.7% are rated “Good,” 38.8% “Fair,” and 33.3% “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.

219

Total Bridges

24.7%

Good

38.8%

Fair

33.3%

Poor Condition

Condition Distribution

Good

24.7% (54)

Fair

38.8% (85)

Poor

33.3% (73)

All Bridges (219)

Sort:

EB/SB IA 163

Over: IA 92

AT JCT. OF IA 92, Mahaska, IA

Built 1996 ADT: 3,650

WB/NB IA 163

Over: IA 92

AT JCT. OF IA 92, Mahaska, IA

Built 1996 ADT: 3,650

INDIAN WAY

Over: IA 163

0.8 MI. E OF JCT. IA 92, Mahaska, IA

Built 1996 ADT: 7,900

263RD ST

Over: IA 163

1.7 MI. E OF JCT. IA 92, Mahaska, IA

Built 1995 ADT: 7,900

US 63 SB

Over: IA 163

AT JCT. OF IA 163, Mahaska, IA

Built 1996 ADT: 7,500

SR G 55

Over: US 63 & IA 163

AT W JCT. OF Iowa 163, Mahaska, IA

Built 1996 ADT: 5,800

MERINO AVE

Over: US 63

1.8 mi. N of Jct. IA #137, Mahaska, IA

Built 2002 ADT: 10,200

IA 23

Over: STREAM

1.2 MILES SOUTH OF SR V13, Mahaska, IA

Built 1928 Load: 5.7 t ADT: 2,130

FM

Over: MOON CREEK

077141801, Mahaska, IA

Built 1965 Load: 14.6 t ADT: 190

LOCAL

Over: DRAINAGE

077142704, Mahaska, IA

Built 1954 Load: 14.9 t ADT: 15

FM

Over: MUCHAKINOCK CR

074160203, Mahaska, IA

Built 1960 Load: 15.7 t ADT: 80

FM

Over: DRAINAGE DITCH #2

074160403, Mahaska, IA

Built 1951 Load: 15.7 t ADT: 40

LOCAL

Over: N COAL CREEK

074170905, Mahaska, IA

Built 1961 Load: 15.7 t ADT: 11

LOCAL

Over: DRAINAGE

074171904, Mahaska, IA

Built 1955 Load: 15.7 t ADT: 60

FM

Over: BALLINGER CREEK

076170205, Mahaska, IA

Built 1960 Load: 15.7 t ADT: 35

LOCAL

Over: DRAINAGE

077151003, Mahaska, IA

Built 1973 Load: 15.7 t ADT: 15

LOCAL

Over: DRAINAGE

077172004, Mahaska, IA

Built 1955 Load: 15.7 t ADT: 20

LOCAL

Over: DRAINAGE

077173609, Mahaska, IA

Built 1955 Load: 15.7 t ADT: 50

LOCAL

Over: ST JOSEPHS CREEK

074160605, Mahaska, IA

Built 1953 Load: 15.9 t ADT: 80

LOCAL

Over: S COAL CREEK

074171112, Mahaska, IA

Built 1959 Load: 15.9 t ADT: 40

FM

Over: TURKEY RUN

074171506, Mahaska, IA

Built 1952 Load: 15.9 t ADT: 35

FM

Over: S COAL CREEK

074172004, Mahaska, IA

Built 1954 Load: 15.9 t ADT: 100

FM

Over: MIDDLE CREEK

077162202, Mahaska, IA

Built 1963 Load: 15.9 t ADT: 25

FM

Over: COAL CREEK

074170104, Mahaska, IA

Built 1948 Load: 16.3 t ADT: 80

FM

Over: MIDDLE CREEK

076152304, Mahaska, IA

Built 1950 Load: 17.1 t ADT: 20

FM

Over: MOON CREEK

077140605, Mahaska, IA

Built 1951 Load: 17.1 t ADT: 25

LOCAL

Over: MIDDLE CREEK

076152504, Mahaska, IA

Built 1965 Load: 17.6 t ADT: 30

LOCAL

Over: BLUFF CREEK

074172402, Mahaska, IA

Built 1948 Load: 18.0 t ADT: 50

IA 92

Over: STREAM

3.3 MI. W OF W JCT SR V13, Mahaska, IA

Built 1958 Load: 18.1 t ADT: 2,850

FM

Over: BLUFF CREEK

074162106, Mahaska, IA

Built 1957 Load: 18.5 t ADT: 110

IA 23

Over: CEDAR CREEK

0.6 mi S. of Jct. SR T-67, Mahaska, IA

Built 1969 Load: 19.2 t ADT: 2,130

LOCAL

Over: CEDAR CREEK

074151304, Mahaska, IA

Built 1963 Load: 20.1 t ADT: 71

FM

Over: BLUFF CREEK

074172602, Mahaska, IA

Built 1970 Load: 21.0 t ADT: 60

LOCAL

Over: N SKUNK RIVER

076141505, Mahaska, IA

Built 1975 Load: 21.6 t ADT: 26

LOCAL

Over: N SKUNK RIVER

077151703, Mahaska, IA

Built 1977 Load: 21.6 t ADT: 71

LOCAL

Over: OLIVE BRANCH CREEK

074140104, Mahaska, IA

Built 1971 Load: 22.1 t ADT: 50

LOCAL

Over: S COAL CREEK

074171104, Mahaska, IA

Built 1971 Load: 22.1 t ADT: 45

LOCAL

Over: BLUFF CREEK

074173303, Mahaska, IA

Built 1971 Load: 22.1 t ADT: 60

LOCAL

Over: MUCHAKINOCK CREEK

076172801, Mahaska, IA

Built 1973 Load: 22.1 t ADT: 26

LOCAL

Over: MIDDLE CREEK

077162602, Mahaska, IA

Built 1971 Load: 22.1 t ADT: 60

LOCAL

Over: MIDDLE CREEK

077162608, Mahaska, IA

Built 1971 Load: 22.1 t ADT: 50

LOCAL

Over: BALLINGER CREEK

077173608, Mahaska, IA

Built 1955 Load: 23.0 t ADT: 15

FM

Over: S ENGLISH RIVER

077140102, Mahaska, IA

Built 1952 Load: 23.1 t ADT: 25

LOCAL

Over: DRAINAGE

077142003, Mahaska, IA

Built 1951 Load: 24.5 t ADT: 30

LOCAL

Over: MUCHAKINOCK CREEK

075163405, Mahaska, IA

Built 1952 Load: 25.2 t ADT: 80

LOCAL

Over: DRAINAGE

076172804, Mahaska, IA

Built 1949 Load: 25.2 t ADT: 26

LOCAL

Over: CEDAR CREEK

074142802, Mahaska, IA

Built 1900 Load: 25.4 t ADT: 5

LOCAL

Over: MOON CREEK

077140705, Mahaska, IA

Built 1952 Load: 25.6 t ADT: 11

LOCAL

Over: E BR BUCKLEY CREEK

077170908, Mahaska, IA

Built 1953 Load: 25.9 t ADT: 15

FM

Over: SMALL STREAM

076151605, Mahaska, IA

Built 1979 Load: 26.4 t ADT: 300

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.