Black Hawk County, IA
411 public highway bridges
Black Hawk County Bridge Snapshot
According to the Federal Highway Administration's 2024 National Bridge Inventory, Black Hawk County, Iowa contains 411 public highway bridges. Roughly 46% are rated “Good,” 28.7% “Fair,” and 5.8% “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 (411)
N PILOT GROVE RD
FairOver: POYNER CREEK
89-11-20-02-10, Black Hawk, IA
ASHLEY RD
FairOver: TRIB TO CEDAR RIVER
87-11-07-03-10, Black Hawk, IA
MAIN ST
FairOver: UNIV BR DRY RUN CREEK
AT 18TH ST, Black Hawk, IA
W QUARRY RD
FairOver: ROCK CREEK
87-14-13-01-10, Black Hawk, IA
US 218
FairOver: STREAM
4.3 mi. S of Jct. U.S. 20, Black Hawk, IA
VINCENT RD
FairOver: CASTLE HILL CREEK
CITY CULVERT NO. 46C, Black Hawk, IA
SARAH DRIVE
FairOver: DRAINAGE
CITY CULVERT NO. 55C, Black Hawk, IA
US 20
FairOver: DRAINAGE DITCH
1.3 mi. W of jct. SR V65, Black Hawk, IA
E BIG ROCK RD
FairOver: ELK RUN CREEK
89-12-03-01-10, Black Hawk, IA
EASTMAN RD
FairOver: TRIB TO MILLER CREEK
87-12-08-01-10, Black Hawk, IA
E AIRLINE HWY
FairOver: TRIB TO ELK RUN CREEK
89-11-07-01-10, Black Hawk, IA
S CANFIELD RD
FairOver: TRIB TO INDIAN CREEK
88-11-08-04-10, Black Hawk, IA
COTTER RD
FairOver: MILLER CREEK
87-12-04-02-10, Black Hawk, IA
LINCOLN RD
FairOver: TRIB TO BLACK HAWK CREEK
87-14-15-02-10, Black Hawk, IA
HOLMES RD
FairOver: TRIB TO ROCK CREEK
87-14-24-02-10, Black Hawk, IA
W TAMA RD
FairOver: GIVEN CREEK
87-14-32-01-10, Black Hawk, IA
US 20
FairOver: DRAINAGE
2.4 MI. E OF E JCT. I-380, Black Hawk, IA
W REINBECK RD
FairOver: TRIB TO MILLER CREEK
87-13-28-01-10, Black Hawk, IA
SB 218,EB 57
FairOver: CEDAR RIVER OVERFLOW
0.2 mi. E of jct. IA 27, Black Hawk, IA
DYSART RD
FairOver: TRIB TO MILLER CREEK
88-12-19-04-10, Black Hawk, IA
ASHLEY RD
FairOver: TRIB TO CEDAR RIVER
87-11-07-03-20, Black Hawk, IA
ANSBOROUGH AVE
FairOver: TRIB TO MILLER CREEK
87-13-33-02-10, Black Hawk, IA
BRANDON RD
FairOver: CEDAR RIVER
87-11-19-04, Black Hawk, IA
7TH ST
FairOver: DRAINAGE DITCH
0.1 mi. S of Jct. SR C50, Black Hawk, IA
S ELK RUN RD
FairOver: ELK RUN CREEK
89-12-34-04, Black Hawk, IA
HUDSON RD
FairOver: DRAINAGE DITCH
000000000, Black Hawk, IA
E 4TH ST
FairOver: VIRDEN CREEK
CITY CULVERT NO. 38C, Black Hawk, IA
W.4TH ST
FairOver: DRAINAGE
CITY CULVERT NO. 35C, Black Hawk, IA
E.ORANGE RD
FairOver: SINK CREEK
CITY CULVERT NO. 45C, Black Hawk, IA
S CANFIELD RD
FairOver: TRIB TO CEDAR RIVER
88-11-32-02-10, Black Hawk, IA
E TAMA RD
FairOver: TRIB TO WOLF CREEK
87-12-34-01-10, Black Hawk, IA
HUDSON RD
FairOver: DRY RUN CREEK
000000000, Black Hawk, IA
HESS ROAD
FairOver: DRAINAGE
CITY CULVERT NO. 54C, Black Hawk, IA
W 4TH ST
FairOver: CEDAR RIVER
CITY BRIDGE NO. 34, Black Hawk, IA
IA 281
FairOver: WAPSIPINICON RIVER
2.2 MI. E OF S.R. C57, Black Hawk, IA
NB I-380
FairOver: SPRING CREEK
1.6 Mi. N OF Jct. SR V65, Black Hawk, IA
SB I-380
FairOver: SPRING CREEK
1.6 Mi. N OF Jct. SR V65, Black Hawk, IA
MILLER CREEK RD
FairOver: TRIB TO MILLER CREEK
87-12-04-01-10, Black Hawk, IA
DYSART RD
FairOver: TRIB TO MILLER CREEK
87-12-07-02-10, Black Hawk, IA
W EAGLE RD
FairOver: ROCK CREEK
87-14-24-01-10, Black Hawk, IA
WINSLOW RD
FairOver: WEST FORK CEDAR RIVER
90-14-09-03, Black Hawk, IA
6TH ST.
FairOver: CEDAR RIVER
CITY BRIDGE NO. 43, Black Hawk, IA
HEARST RD
FairOver: TRIB TO DRY RUN CREEK
89-14-33-02-10, Black Hawk, IA
DYSART RD
FairOver: TRIB TO MILLER CREEK
87-12-06-02-10, Black Hawk, IA
W TAMA RD
FairOver: ROCK CREEK
87-14-35-01-10, Black Hawk, IA
E MARQUIS RD
FairOver: CRANE CREEK
90-12-03-01-10, Black Hawk, IA
S CANFIELD RD
FairOver: INDIAN CREEK
88-11-17-02-10, Black Hawk, IA
POYNER RD
FairOver: SPRING CREEK
88-11-25-01-10, Black Hawk, IA
FM
GoodOver: BLACK HAWK CREEK
87-14-06-02-10, Black Hawk, IA
ELDORA RD
GoodOver: TRIB TO BLACK HAWK CREEK
88-14-33-07-10, Black Hawk, IA
Read our methodology - how this data is sourced, computed, and verified.
Related
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.