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.

411
Total Bridges
46%
Good
5.8%
Poor
5.8%
Structurally Deficient

Condition Distribution

Good
46% (189)
Fair
28.7% (118)
Poor
5.8% (24)
SD
5.8% (24)

All Bridges (411)

JUBILEE RD

Fair

Over: SPRING CREEK

87-11-02-03-10, Black Hawk, IA

Built 1951 Load: 21.9 t ADT: 69

UNIVERSITY AVE

Fair

Over: BLACK HAWK CREEK

0.4 MI. W of Jct. U.S. 63, Black Hawk, IA

Built 1955 Load: 22.1 t ADT: 3,388

FM MARQUIS RD

Fair

Over: STREAM

090130201, Black Hawk, IA

Built 1961 Load: 22.1 t ADT: 49

RICKARD RD

Fair

Over: SPRING CREEK

88-11-35-01-10, Black Hawk, IA

Built 1970 Load: 22.3 t ADT: 78

NEWELL ST

Fair

Over: ELK RUN CREEK

89-12-22-03-10, Black Hawk, IA

Built 1970 Load: 22.3 t ADT: 97

GIBSON RD

Fair

Over: TRIB TO BLACK HAWK CREEK

87-14-09-02-10, Black Hawk, IA

Built 1948 Load: 22.7 t ADT: 29

FM

Fair

Over: STREAM

87-14-07-04-10, Black Hawk, IA

Built 1950 Load: 22.7 t ADT: 34

RIVER RD

Fair

Over: BLACK HAWK CREEK

CITY BRIDGE NO. 29, Black Hawk, IA

Built 1971 Load: 23.4 t ADT: 6,513

E BIG ROCK RD

Fair

Over: VIRDEN CREEK

89-12-06-01-10, Black Hawk, IA

Built 1949 Load: 23.7 t ADT: 29

E DONALD ST

Fair

Over: TRIB TO ELK RUN CREEK

89-12-14-03-10, Black Hawk, IA

Built 1971 Load: 23.7 t ADT: 1,375

HOFF RD

Fair

Over: PRESCOTTS CREEK

88-13-17-04-10, Black Hawk, IA

Built 1900 Load: 23.9 t ADT: 29

EB US 20

Fair

Over: BLACKHAWK CREEK

0.7 MI. W OF JCT. US 63, Black Hawk, IA

Built 1983 Load: 24.1 t ADT: 12,400

KOBER RD

Fair

Over: TRIB TO WOLF CREEK

87-12-35-02-10, Black Hawk, IA

Built 1969 Load: 24.5 t ADT: 59

JESUP RD

Fair

Over: TRIB TO SPRING CREEK

88-11-23-02-10, Black Hawk, IA

Built 1924 Load: 24.5 t ADT: 393

E DUNKERTON RD

Fair

Over: VIRDEN CREEK

90-12-31-01-10, Black Hawk, IA

Built 1969 Load: 24.5 t ADT: 2,259

FINCHFORD RD

Fair

Over: W FORK CEDAR RVR OVRFLW

90-14-06-06, Black Hawk, IA

Built 1970 Load: 24.5 t ADT: 412

W 12TH ST

Fair

Over: TRIB TO BEAVER CREEK

89-14-18-01-10, Black Hawk, IA

Built 1939 Load: 25.1 t ADT: 34

N BUTLER RD

Fair

Over: BEAVER CREEK

90-14-31-02-10, Black Hawk, IA

Built 1955 Load: 25.1 t ADT: 108

W BENNINGTON RD

Fair

Over: TRIB TO CEDAR RIVER

90-13-21-01-10, Black Hawk, IA

Built 1948 Load: 25.3 t ADT: 29

N RAYMOND RD

Fair

Over: CRANE CREEK

90-12-24-02, Black Hawk, IA

Built 1961 Load: 25.4 t ADT: 1,277

TEXAS ST

Fair

Over: SINK CREEK

CITY BRIDGENO. 25, Black Hawk, IA

Built 1952 Load: 25.7 t ADT: 1,009

JUBILEE RD

Fair

Over: TRIB TO CEDAR RIVER

87-11-06-01-10, Black Hawk, IA

Built 1992 Load: 26.0 t ADT: 79

E GRESHAM RD

Fair

Over: TRIB TO CRANE CREEK

90-12-08-01-10, Black Hawk, IA

Built 1994 Load: 26.0 t ADT: 33

E PARKER ST

Fair

Over: VIRDEN CREEK

CITY CULVERT NO. 37C, Black Hawk, IA

Built 1970 Load: 26.0 t ADT: 606

WAGNER RD

Fair

Over: NO NAME CREEK

CITY BRIDGE NO. 44, Black Hawk, IA

Built 1986 Load: 26.3 t ADT: 1,820

MAIN RD

Fair

Over: TRIB TO ROCK CREEK

87-11-32-05-10, Black Hawk, IA

Built 1974 Load: 26.8 t ADT: 69

E REINBECK RD

Fair

Over: TRIB TO MILLER CREEK

87-13-25-01-10, Black Hawk, IA

Built 1947 Load: 27.0 t ADT: 10

N RAYMOND RD

Fair

Over: TRIB TO ELK RUN CREEK

89-12-13-02-10, Black Hawk, IA

Built 1973 Load: 27.1 t ADT: 2,259

E CEDAR-WAPSI RD

Fair

Over: WAPSIPINCON RIVER

90-11-10-03, Black Hawk, IA

Built 1969 Load: 27.3 t ADT: 1,493

NIAGARA DR

Fair

Over: CASTLE HILL CREEK

CITY CULVERT NO. 47C, Black Hawk, IA

Built 1986 Load: 27.3 t ADT: 684

N.HACKETT RD

Fair

Over: CASTLE HILL CREEK

CITY CULVERT NO. 48C, Black Hawk, IA

Built 1986 Load: 27.3 t ADT: 395

FM MARQUIS RD

Fair

Over: STREAM

090130201, Black Hawk, IA

Built 2009 Load: 27.4 t ADT: 49

REMINGTION RD

Fair

Over: DRAINAGE

CITY CULVERT NO. 59C, Black Hawk, IA

Built 1989 Load: 27.4 t ADT: 617

S ORDWAY RD

Fair

Over: POYNER CREEK

89-11-31-02-10, Black Hawk, IA

Built 1977 Load: 28.2 t ADT: 69

NEWELL ST

Fair

Over: BLOWERS CREEK

CITY BRIDGE NO. 30, Black Hawk, IA

Built 1978 Load: 28.2 t ADT: 1,429

E BIG ROCK RD

Fair

Over: TRIB TO WAPSIPINICON RVR

89-11-03-01-10, Black Hawk, IA

Built 1920 Load: 28.4 t ADT: 49

US 218

Fair

Over: STREAM

0.5 mi. S of Jct. SR D35, Black Hawk, IA

Built 1952 Load: 29.0 t ADT: 3,480

MARQUIS RD

Fair

Over: SHELL ROCK RIV OVERFLOW

90-14-04-07-20, Black Hawk, IA

Built 1992 Load: 29.0 t ADT: 207

E WAHSBURN RD

Fair

Over: CEDAR RIVER

88-12-22-07, Black Hawk, IA

Built 1958 Load: 29.4 t ADT: 1,571

E WASHBURN RD

Fair

Over: CEDAR RIVER OVERFLOW

88-12-22-03-10, Black Hawk, IA

Built 2003 Load: 29.6 t ADT: 1,571

SB I-380

Fair

Over: POYNER CREEK

0.2 MI. N OF JCT. SR V49, Black Hawk, IA

Built 1983 Load: 29.8 t ADT: 13,450

E DONALD ST

Fair

Over: ELK RUN CREEK

89-12-15-01-10, Black Hawk, IA

Built 1971 Load: 30.0 t ADT: 1,375

UNIVERSITY AVE

Fair

Over: DRY RUN CREEK

000000000, Black Hawk, IA

Built 1971 Load: 30.1 t ADT: 7,792

RANCHERO RD

Fair

Over: DRY RUN CREEK

88-14-10-01-10, Black Hawk, IA

Built 1937 Load: 31.0 t ADT: 90

CENTER ST

Fair

Over: CEDAR RIVER OVERFLOW

000000000, Black Hawk, IA

Built 1969 Load: 31.1 t ADT: 5,414

N UNION RD

Fair

Over: BEAVER CREEK OVERFLOW

90-14-28-06, Black Hawk, IA

Built 1980 Load: 31.2 t ADT: 1,394

E TAMA RD

Fair

Over: TRIB TO MILLER CREEK

87-13-34-03-10, Black Hawk, IA

Built 1974 Load: 31.4 t ADT: 314

RICKARD RD

Fair

Over: TRIB TO SPRING CREEK

88-11-34-01-10, Black Hawk, IA

Built 1984 Load: 31.4 t ADT: 44

IA 281

Fair

Over: WAPSIE RIVER OVERFLOW

2.7 MI. W OF SR V62, Black Hawk, IA

Built 1967 Load: 31.5 t ADT: 1,240

N UNION RD

Fair

Over: BEAVER CREEK

90-14-28-06-20, Black Hawk, IA

Built 1954 Load: 31.7 t ADT: 1,394

Related

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