Benton County, IA

327 public highway bridges

Benton County Bridge Snapshot

Benton County, Iowa contains 327 public highway bridges in the FHWA National Bridge Inventory. Roughly 32.1% are rated “Good,” 42.2% “Fair,” 23.5% “Poor,” and 23.5% 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.

327
Total Bridges
32.1%
Good
23.5%
Poor
23.5%
Structurally Deficient

Condition Distribution

Good
32.1% (105)
Fair
42.2% (138)
Poor
23.5% (77)
SD
23.5% (77)

All Bridges (327)

LOCAL

Fair

Over: PRARIE CREEK

086090502, Benton, IA

Built 2002 Load: 30.2 t ADT: 33

LOCAL

Fair

Over: BRANCH MUD CREEK

083102702, Benton, IA

Built 1984 Load: 30.3 t ADT: 11

LOCAL

Fair

Over: STERN CREEK

082121601, Benton, IA

Built 1984 Load: 30.4 t ADT: 34

LOCAL

Fair

Over: WILDCAT CREEK

084091904, Benton, IA

Built 1978 Load: 30.4 t ADT: 39

FM

Fair

Over: PRATT CREEK

085110402, Benton, IA

Built 1978 Load: 30.4 t ADT: 40

LOCAL

Fair

Over: STEIN CREEK

084120801, Benton, IA

Built 1977 Load: 30.6 t ADT: 34

LOCAL

Fair

Over: PRAIRIE CREEK

086103603, Benton, IA

Built 1978 Load: 30.6 t ADT: 88

LOCAL

Fair

Over: PRAIRIE CREEK

083110502, Benton, IA

Built 1958 Load: 30.7 t ADT: 45

FM

Fair

Over: STEIN CREEK

084122301, Benton, IA

Built 1969 Load: 30.7 t ADT: 130

FM

Fair

Over: PRATT CREEK

086112802, Benton, IA

Built 1958 Load: 30.7 t ADT: 30

LOCAL

Fair

Over: PRAIRIE CREEK

083121303, Benton, IA

Built 1986 Load: 30.8 t ADT: 79

FM

Fair

Over: ROCK CREEK

085120501, Benton, IA

Built 1987 Load: 30.8 t ADT: 20

FM

Fair

Over: STERN CREEK

082122203, Benton, IA

Built 1987 Load: 31.2 t ADT: 850

LOCAL

Fair

Over: MUD CREEK

083102602, Benton, IA

Built 1986 Load: 31.2 t ADT: 90

LOCAL

Fair

Over: OPOSSUM CK

084090502, Benton, IA

Built 1986 Load: 31.2 t ADT: 29

FM

Fair

Over: POSSUM CREEK

084100102, Benton, IA

Built 1986 Load: 31.2 t ADT: 34

FM

Fair

Over: BRANCH MUD CREEK

084112303, Benton, IA

Built 1986 Load: 31.2 t ADT: 30

LOCAL

Fair

Over: HINKLE CREEK

085112810, Benton, IA

Built 1987 Load: 31.2 t ADT: 140

E58 75TH ST

Fair

Over: BR BUCKEYE CK

082121103, Benton, IA

Built 1972 Load: 31.3 t ADT: 15

FM

Fair

Over: STEIN CREEK

084121004, Benton, IA

Built 1958 Load: 31.3 t ADT: 10

LOCAL

Fair

Over: WILDCAT CK

083100502, Benton, IA

Built 1957 Load: 31.5 t ADT: 20

LOCAL

Fair

Over: STREAM

083100502, Benton, IA

Built 1957 Load: 31.5 t ADT: 20

LOCAL

Fair

Over: BR STEIN CK

084122602, Benton, IA

Built 1958 Load: 31.5 t ADT: 20

LOCAL

Fair

Over: BLUE CREEK

086092408, Benton, IA

Built 1987 Load: 31.8 t ADT: 50

LOCAL (LWC)

Fair

Over: STREAM

082123604, Benton, IA

Built 1977 Load: 32.2 t ADT: 45

LOCAL

Fair

Over: BR MUD CREEK

082090601, Benton, IA

Built 1972 Load: 32.7 t ADT: 15

LOCAL (LWC)

Fair

Over: MUD CREEK

083102101, Benton, IA

Built 1988 Load: 32.7 t ADT: 79

LOCAL

Fair

Over: POSSUM CREEK

084101002, Benton, IA

Built 1985 Load: 32.7 t ADT: 39

LOCAL

Fair

Over: POSSUM CREEK

084101102, Benton, IA

Built 1985 Load: 32.7 t ADT: 33

FM

Fair

Over: HINKLE CREEK

085113303, Benton, IA

Built 1991 Load: 32.7 t ADT: 900

LOCAL

Fair

Over: SPRING CREEK

086110305, Benton, IA

Built 1997 Load: 32.7 t ADT: 11

LOCAL

Fair

Over: BR PRAIRIE CREEK

083113001, Benton, IA

Built 1988 Load: 32.7 t ADT: 45

LOCAL

Fair

Over: STERN CREEK

082120401, Benton, IA

Built 1989 Load: 32.7 t ADT: 30

FM

Fair

Over: SMALL STREAM

086112502, Benton, IA

Built 1991 Load: 32.7 t ADT: 540

LOCAL

Fair

Over: BUFFALO CREEK

082100801, Benton, IA

Built 1996 Load: 32.7 t ADT: 24

69TH ST

Fair

Over: SMALL STREAM

083111001, Benton, IA

Built 1996 Load: 32.7 t ADT: 30

13TH STREET

Fair

Over: MINNOW CREEK

082122000, Benton, IA

Built 2001 Load: 32.7 t ADT: 2,103

LOCAL (LWC)

Fair

Over: PRAIRIE CREEK

082110901, Benton, IA

Built 1990 Load: 32.8 t ADT: 45

LOCAL

Fair

Over: STEIN CK

084120803, Benton, IA

Built 1989 Load: 32.8 t ADT: 26

LOCAL (LWC)

Fair

Over: BIG CREEK

086121702, Benton, IA

Built 1988 Load: 32.8 t ADT: 34

LOCAL

Fair

Over: FORK PRAIRIE CREEK

083111902, Benton, IA

Built 1976 Load: 33.0 t ADT: 15

FM

Fair

Over: W BLUE CK

086092302, Benton, IA

Built 1974 Load: 33.0 t ADT: 69

LOCAL

Fair

Over: SMALL STREAM

085102404, Benton, IA

Built 1991 Load: 33.6 t ADT: 49

LOCAL

Fair

Over: STREAM

083121101, Benton, IA

Built 1958 Load: 34.7 t ADT: 20

IA 150

Fair

Over: STREAM

0.1 MI. S OF JCT. I-380, Benton, IA

Built 1981 Load: 34.9 t ADT: 1,230

LOCAL

Fair

Over: STREAM

084120402, Benton, IA

Built 1999 Load: 35.4 t ADT: 11

FM

Fair

Over: WILD CAT CREEK

083100501, Benton, IA

Built 1990 Load: 36.4 t ADT: 40

LOCAL

Fair

Over: PRAIRIE CREEK

086102503, Benton, IA

Built 1990 Load: 36.4 t ADT: 49

US 30 EB

Fair

Over: MUD CREEK

0.9 mi. W of Jct. SR W14, Benton, IA

Built 1998 Load: 36.7 t ADT: 4,750

FM

Fair

Over: BUCKEYE CREEK

082122405, Benton, IA

Built 1960 Load: 36.9 t ADT: 850

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

Related

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