Winneshiek County, IA

317 public highway bridges

Winneshiek County Bridge Snapshot

Winneshiek County, Iowa contains 317 public highway bridges in the FHWA National Bridge Inventory. Roughly 36% are rated “Good,” 45.1% “Fair,” 18.6% “Poor,” and 18.6% are classified as structurally deficient — the federal designation for spans whose deck, superstructure, or substructure has been rated 4 or below on the 0–9 NBI scale. Structurally deficient does not mean unsafe to cross; it means the bridge is on the priority list for repair or replacement.

Inspections in IA are conducted by certified engineers from the state Department of Transportation on a 24-month cycle, and results are reported back to the FHWA each spring. The list below shows every NBI-tracked bridge in the county, sorted by inventory load rating. Use the “Sort by” controls to surface the lowest-rated spans first, and click any row for full inspection history, traffic counts, and condition trends.

Source: FHWA National Bridge Inventory. See methodology for full definitions.

317
Total Bridges
36%
Good
18.6%
Poor
18.6%
Structurally Deficient

Condition Distribution

Good
36% (114)
Fair
45.1% (143)
Poor
18.6% (59)
SD
18.6% (59)

All Bridges (317)

LOCAL

Good

Over: CREEK

096083301, Winneshiek, IA

Built 1985 Load: 18.8 t ADT: 70

LOCAL

Good

Over: SMALL CREEK

096090704, Winneshiek, IA

Built 1979 Load: 19.1 t ADT: 59

FM

Good

Over: TROUT RUN CREEK BRANCH

097081009, Winneshiek, IA

Built 1943 Load: 19.3 t ADT: 108

FM

Good

Over: UPPER IOWA RIVER

098070709, Winneshiek, IA

Built 2005 Load: 19.4 t ADT: 471

315TH AVE

Good

Over: CREEK

0.2 MI N of 210 St, Winneshiek, IA

Built 2019 Load: 19.6 t ADT: 20

MANAWA TRAIL RD

Good

Over: CANOE CREEK

099072905, Winneshiek, IA

Built 1979 Load: 20.6 t ADT: 59

LOCAL

Good

Over: CANOE CREEK

099080706, Winneshiek, IA

Built 1985 Load: 20.6 t ADT: 44

LOCAL

Good

Over: SMALL CREEK

099101502, Winneshiek, IA

Built 1979 Load: 20.6 t ADT: 29

LOCAL

Good

Over: SMALL CREEK

100090802, Winneshiek, IA

Built 1985 Load: 20.6 t ADT: 49

FM

Good

Over: PINE CREEK

100091801, Winneshiek, IA

Built 1985 Load: 20.6 t ADT: 49

PINE CREEK RD

Good

Over: PINE CREEK

0.6 MI S of Lost Mile Rd, Winneshiek, IA

Built 2016 Load: 21.4 t ADT: 26

CHIMNEY ROCK RD

Good

Over: UPPER IOWA RIVER

0.5 MI W of W20, Winneshiek, IA

Built 2020 Load: 21.9 t ADT: 26

133RD AVE

Good

Over: TROUT RIVER

098072806, Winneshiek, IA

Built 1967 Load: 22.8 t ADT: 49

IA 150

Good

Over: STREAM

4.8 MI. S OF JCT. US 52, Winneshiek, IA

Built 1988 Load: 24.8 t ADT: 2,180

FM

Good

Over: STREAM

097071506, Winneshiek, IA

Built 2002 Load: 25.1 t ADT: 1,375

FM

Good

Over: TROUT RIVER

097070905, Winneshiek, IA

Built 2002 Load: 25.3 t ADT: 1,375

FM

Good

Over: CANOE CREEK

100083201, Winneshiek, IA

Built 1992 Load: 25.4 t ADT: 304

LOCAL

Good

Over: UPPER IOWA RIVER

100103507, Winneshiek, IA

Built 1986 Load: 26.8 t ADT: 70

FM

Good

Over: SMALL STREAM

097092011, Winneshiek, IA

Built 2007 Load: 29.5 t ADT: 501

TROUT RUN RD

Good

Over: CREEK

N edge of int. Stone Hill, Winneshiek, IA

Built 2013 Load: 29.8 t ADT: 2,553

FM

Good

Over: NORTH BEAR CREEK

100071401, Winneshiek, IA

Built 1985 Load: 30.2 t ADT: 69

NORTH WINN RD

Good

Over: CANOE CREEK

099080904, Winneshiek, IA

Built 1959 Load: 30.5 t ADT: 570

FM

Good

Over: S. BEAR CREEK

100073404, Winneshiek, IA

Built 1975 Load: 30.5 t ADT: 236

FM

Good

Over: UPPER IOWA RIVER

098070803, Winneshiek, IA

Built 1976 Load: 30.8 t ADT: 265

WEST RAVINE RD

Good

Over: UPPER IOWA RIVER

0000, Winneshiek, IA

Built 2011 Load: 32.4 t ADT: 49

FM

Good

Over: TURKEY RIVER

097101101, Winneshiek, IA

Built 1979 Load: 32.5 t ADT: 128

MONEEK RD

Good

Over: YELLOW RIVER N FORK

S of Maple Valley Rd, Winneshiek, IA

Built 2014 Load: 32.7 t ADT: 11

ROGERS CREEK RD

Good

Over: ROGERS CREEK

300 W of Co. Rd. W14, Winneshiek, IA

Built 2012 Load: 32.7 t ADT: 120

W 14

Good

Over: TURKEY RIVER BRANCH

097091806, Winneshiek, IA

Built 2000 Load: 32.7 t ADT: 658

TOWN LINE RD

Good

Over: CREEK

097090601, Winneshiek, IA

Built 1979 Load: 32.7 t ADT: 59

235TH AVE

Good

Over: TEN MILE CREEK

235th Ave Madison Twp, Winneshiek, IA

Built 2013 Load: 32.7 t ADT: 49

LOCAL

Good

Over: TEN MILE CREEK

098090504, Winneshiek, IA

Built 1972 Load: 32.7 t ADT: 45

223RD AVE

Good

Over: CANOE CREEK

099080606, Winneshiek, IA

Built 1972 Load: 32.7 t ADT: 49

BEAR CREEK RD

Good

Over: BEAR CREEK

0.8 MI S of Int 360th St, Winneshiek, IA

Built 2017 Load: 32.7 t ADT: 29

LOCAL ROAD

Good

Over: CANOE CREEK

100083104, Winneshiek, IA

Built 1972 Load: 32.7 t ADT: 49

LOCAL

Good

Over: CREEK

100092103, Winneshiek, IA

Built 1979 Load: 32.7 t ADT: 5

LOCAL ROAD

Good

Over: SMALL DRY RUN

100102303, Winneshiek, IA

Built 1976 Load: 32.7 t ADT: 20

TROUT RUN RD

Good

Over: SMALL STREAM

0.2 Mi E Middle Calmar Rd, Winneshiek, IA

Built 2016 Load: 33.0 t ADT: 805

W 42

Good

Over: CREEK

.4 mi south of Valdres Rd, Winneshiek, IA

Built 2013 Load: 33.2 t ADT: 933

LOCAL

Good

Over: BIGALK CREEK

100101804, Winneshiek, IA

Built 1987 Load: 33.3 t ADT: 25

STATE LINE RD

Good

Over: CREEK

E of 310th Ave, Winneshiek, IA

Built 2015 Load: 33.4 t ADT: 70

LOCAL

Good

Over: NORTH FORK YELLOW RIVER

096070402, Winneshiek, IA

Built 1991 Load: 33.6 t ADT: 39

LOCAL

Good

Over: CREEK

100092203, Winneshiek, IA

Built 1980 Load: 33.6 t ADT: 20

LOCAL

Good

Over: SMALL CREEK

097081603, Winneshiek, IA

Built 1981 Load: 33.7 t ADT: 39

LOCAL RD

Good

Over: CREEK

097100904, Winneshiek, IA

Built 1996 Load: 33.7 t ADT: 20

CATTLE CREEK RD

Good

Over: UPPER IOWA RIVER

0.7 Mi E of 290 Av, Winneshiek, IA

Built 2019 Load: 33.7 t ADT: 29

275TH ST

Good

Over: UNNAMED CREEK

0.1 MI W of 310th Ave, Winneshiek, IA

Built 2019 Load: 33.7 t ADT: 26

307TH AVE

Good

Over: CREEK

0.5 MI S of 240 St., Winneshiek, IA

Built 2019 Load: 34.0 t ADT: 50

SCENIC RIVER RD

Good

Over: CREEK

.75 Mi W Bluffton Rd, Winneshiek, IA

Built 2015 Load: 34.3 t ADT: 26

295TH AVE

Good

Over: SMALL CREEK

0.15 MI N of 120th St., Winneshiek, IA

Built 2011 Load: 34.4 t ADT: 79

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

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Data sourced from official U.S. government datasets. See our methodology for details. Retrieved and formatted by PlainBridges Editorial