Pottawattamie County, IA

469 public highway bridges

Pottawattamie County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Pottawattamie County, Iowa contains 469 public highway bridges. Roughly 32.4% are rated “Good,” 43.1% “Fair,” and 10.2% “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.

469
Total Bridges
32.4%
Good
43.1%
Fair
10.2%
Poor Condition

Condition Distribution

Good
32.4% (152)
Fair
43.1% (202)
Poor
10.2% (48)

All Bridges (469)

510TH STREET

Poor

Over: STREAM

077380304, Pottawattamie, IA

Built 1992 Load: 22.3 t ADT: 5

470TH STREET

Poor

Over: JORDAN CREEK

075392402, Pottawattamie, IA

Built 1967 Load: 22.5 t ADT: 26

7TH AVE

Poor

Over: INDIAN CREEK

000000000, Pottawattamie, IA

Built 1930 Load: 23.5 t ADT: 235

TAMARACK ROAD

Poor

Over: OVER BNSF RR

077411905, Pottawattamie, IA

Built 1930 Load: 23.9 t ADT: 1,325

ROSEWOOD ROAD

Poor

Over: SECOND CREEK

076380601, Pottawattamie, IA

Built 1949 Load: 23.9 t ADT: 15

IA 92

Poor

Over: INDIAN CREEK

0.7 Mi. W of Jct. SR M-47, Pottawattamie, IA

Built 1938 Load: 24.1 t ADT: 1,180

FM-TRUMAN AVE

Poor

Over: WALNUT CREEK

077381403, Pottawattamie, IA

Built 1963 Load: 24.9 t ADT: 34

SUMAC RD

Poor

Over: STREAM

077423401, Pottawattamie, IA

Built 1949 Load: 25.2 t ADT: 45

MAGNOLIA ROAD

Poor

Over: STREAM

076392201, Pottawattamie, IA

Built 1961 Load: 28.0 t ADT: 5

FM-MAGNOLIA RD

Poor

Over: MOSQUITO CREEK

076422103, Pottawattamie, IA

Built 1965 Load: 29.1 t ADT: 2,949

FM

Poor

Over: DRAINAGE

075380404, Pottawattamie, IA

Built 1964 Load: 30.4 t ADT: 270

ROAD L-34

Poor

Over: STREAM

075430218, Pottawattamie, IA

Built 1965 Load: 32.7 t ADT: 20

1ST STREET

Poor

Over: INDIAN CREEK

000000000, Pottawattamie, IA

Built 1936 Load: 32.7 t ADT: 684

BROADWAY TO RR

Poor

Over: INDIAN CREEK

Creektop, CNRR to UPRR, Pottawattamie, IA

Built 1937 Load: 32.7 t ADT: 126

CREEK TOP RD

Poor

Over: INDIAN CREEK

Creek Top, 9th to 8th St, Pottawattamie, IA

Built 1937 Load: 32.7 t ADT: 2,027

NORTH 13TH STREET

Poor

Over: INDIAN CREEK

Outlet @ Broadway to CNRR, Pottawattamie, IA

Built 1937 Load: 32.7 t ADT: 2,027

FM

Poor

Over: E NISHNABOTNA RIVER

074383601, Pottawattamie, IA

Built 1958 Load: 33.4 t ADT: 60

RAILROAD HWY

Poor

Over: STREAM

076420912, Pottawattamie, IA

Built 1952 Load: 33.7 t ADT: 1,676

430TH STREET

Poor

Over: STREAM

076391704, Pottawattamie, IA

Built 1940 Load: 34.6 t ADT: 26

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

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.