Black Hawk County, IA
411 public highway bridges
Black Hawk County Bridge Snapshot
Black Hawk County, Iowa contains 411 public highway bridges in the FHWA National Bridge Inventory. Roughly 46% are rated “Good,” 28.7% “Fair,” 5.8% “Poor,” and 5.8% 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.
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
| Publisher | Kiznis Studio |
| Sources | FHWA National Bridge Inventory, public U.S. government datasets |