Marshall County, IA
283 public highway bridges
Marshall County Bridge Snapshot
According to the Federal Highway Administration's 2024 National Bridge Inventory, Marshall County, Iowa contains 283 public highway bridges. Roughly 28.3% are rated “Good,” 20.8% “Fair,” and 45.2% “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.
Condition Distribution
All Bridges (283)
FM
FairOver: SMALL STREAM
083170808, Marshall, IA
FM
FairOver: MINERVA CREEK
084190504, Marshall, IA
FM
FairOver: SMALL CREEK
084192101, Marshall, IA
FM
FairOver: SMALL STREAM
084202602, Marshall, IA
FM
FairOver: SMALL STREAM
084203404, Marshall, IA
FM
FairOver: DAVISONS CREEK
083172601, Marshall, IA
FM
FairOver: MIDDLE TIMBER CREEK
083183302, Marshall, IA
NEW HIGHLAND AC
FairOver: UP RR
083180400, Marshall, IA
FM
FairOver: N TIMBER CREEK
083181904, Marshall, IA
FM
FairOver: SNIPE CREEK
082193301, Marshall, IA
SO. 6TH ST.
FairOver: LINN CREEK
083183400, Marshall, IA
DURHAM AVE
FairOver: NORTH SKUNK RIVER
082201006, Marshall, IA
NB IA 14
FairOver: IOWA RIVER
0.8 MILE S OF JCT SR E27, Marshall, IA
IA 330
FairOver: CLEAR CREEK
1.8 MI. S OF S JCT SR S52, Marshall, IA
FM
FairOver: MINERVA CREEK
084200202, Marshall, IA
FM
FairOver: MIDDLE MINERVA CREEK
084200403, Marshall, IA
FM
FairOver: BIG MINERVA CREEK
085202606, Marshall, IA
FM
FairOver: N TIMBER CR
083170808, Marshall, IA
FM
FairOver: MUD CREEK
085191903, Marshall, IA
LOCAL
FairOver: BR MINERVA CREEK
084190601, Marshall, IA
LOCAL
FairOver: LINN CR
084193101, Marshall, IA
FM
FairOver: TIMBER CREEK
083171704, Marshall, IA
LOCAL
FairOver: SOUTH TIMBER CREEK
082181702, Marshall, IA
FM
FairOver: NORTH SKUNK RIVER
083202106, Marshall, IA
FM
FairOver: CREEK
085173402, Marshall, IA
IA 330
GoodOver: ASHER CREEK
2.0 MILES WEST OF JCT 14, Marshall, IA
IA 14
GoodOver: LITTLE ASHER CREEK
2.3 MILES NORTH OF IA 330, Marshall, IA
277TH ST
GoodOver: CLEAR CREEK
083203205, Marshall, IA
NORTH CENTER ST
GoodOver: IOWA RIVER OVERFLOW
084182306, Marshall, IA
NORTH CENTER ST
GoodOver: IOWA RIVER OVERFLOW
084182306, Marshall, IA
NORTH CENTER ST
GoodOver: IOWA RIVER
084182600, Marshall, IA
JESSUP AVE
GoodOver: MINERVA CREEK
084190304, Marshall, IA
SR E 18
GoodOver: IOWA RIVER
085191103, Marshall, IA
MORMON RIDGE RD
GoodOver: STREAM
085193402, Marshall, IA
W OLIVE ST
GoodOver: CREEK
083180300, Marshall, IA
IA 146
GoodOver: UP RR
0.5 Mi,South,US#30, Marshall, IA
IA 330
GoodOver: DRAINAGE DITCH
1.8 MI S OF N JCT SR S52, Marshall, IA
LOCAL
GoodOver: BRANCH S TIMBER CREEK
082181501, Marshall, IA
LOCAL
GoodOver: SNIPE CREEK
082182303, Marshall, IA
LOCAL
GoodOver: BR OF BURNETT CR
084181201, Marshall, IA
IA 330
GoodOver: STREAM
0.7 MILES N OF JCT SR E35, Marshall, IA
E29 190TH ST
GoodOver: MINERVA CREEK
084202001, Marshall, IA
LOCAL
GoodOver: CREEK
085180401, Marshall, IA
LOCAL
GoodOver: BR TIMBER CREEK
083182305, Marshall, IA
FM E-41
GoodOver: BR LINN CREEK
083190803, Marshall, IA
LOCAL
GoodOver: BR TIMBER CREEK
083202302, Marshall, IA
ARNEY AVE
GoodOver: MINERVA CREEK
085203102, Marshall, IA
LOCAL
GoodOver: STREAM
085191003, Marshall, IA
LOCAL
GoodOver: STREAM
083202802, Marshall, IA
N 13TH ST
GoodOver: STREAM
084182700, Marshall, IA
Read our methodology - how this data is sourced, computed, and verified.
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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.