Boone County, IN

235 public highway bridges

Boone County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Boone County, Indiana contains 235 public highway bridges. Roughly 40% are rated “Good,” 44.7% “Fair,” and 4.3% “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.

235
Total Bridges
40%
Good
44.7%
Fair
4.3%
Poor Condition

Condition Distribution

Good
40% (94)
Fair
44.7% (105)
Poor
4.3% (10)

All Bridges (235)

CR 450N

Fair

Over: PRAIRIE CREEK

00.10 W OF CR 275 W, Boone, IN

Built 1900 Load: 35.7 t ADT: 120

SR 47

Fair

Over: PRAIRIE CREEK

00.48 N SR 75, Boone, IN

Built 1981 Load: 36.0 t ADT: 3,976

CR 450N

Fair

Over: DEER CREEK

00.75 W OF CR 500 W, Boone, IN

Built 1990 Load: 36.3 t ADT: 120

SR 39

Fair

Over: SMALL REYNOLDS DITCH

01.22 N SR 32, Boone, IN

Built 1992 Load: 36.6 t ADT: 7,110

SR 75

Fair

Over: WOLF CREEK

01.91 S SR 47, Boone, IN

Built 1936 Load: 36.6 t ADT: 1,587

US 421

Fair

Over: LITTLE EAGLE CREEK

03.59 N I-465, Boone, IN

Built 1971 Load: 37.3 t ADT: 13,297

CR 500W

Fair

Over: PRAIRIE CREEK

00.01 N OF CR 450 N, Boone, IN

Built 1972 Load: 37.6 t ADT: 350

SR 47

Fair

Over: WOLF CREEK

01.68 S SR 75, Boone, IN

Built 1983 Load: 38.9 t ADT: 1,217

PATTERSON STREET

Fair

Over: PRAIRIE CREEK

00.40 N OF SR 32, Boone, IN

Built 1995 Load: 38.9 t ADT: 710

MOUNT ZION ROAD

Fair

Over: SANITARY DITCH

00.01 E of CR200 E, Boone, IN

Built 1997 Load: 39.1 t ADT: 120

E WASHINGTON ST.

Fair

Over: PRAIRIE CREEK

00.10 E OF GRANT ST., Boone, IN

Built 1990 Load: 40.5 t ADT: 570

CR 1050W

Fair

Over: LITTLE SUGAR CREEK

00.85 N OF SR 32, Boone, IN

Built 1960 Load: 40.5 t ADT: 170

CR 300S

Fair

Over: JACKSON RUN

00.30 W OF CR 700 E, Boone, IN

Built 1950 Load: 41.1 t ADT: 1,480

I-65 NB

Fair

Over: PRAIRIE CREEK, TRAIL

00.55 N SR 32, Boone, IN

Built 2014 Load: 41.5 t ADT: 57,066

I-865 EB

Fair

Over: IRISHMAN RUN

03.60 E I-65, Boone, IN

Built 1971 Load: 41.5 t ADT: 17,056

I-865 WB

Fair

Over: IRISHMAN RUN

03.60 E I-65, Boone, IN

Built 1971 Load: 41.5 t ADT: 17,056

I-65 NB

Fair

Over: SPRING CREEK

00.61 S SR 47, Boone, IN

Built 1970 Load: 41.8 t ADT: 21,880

US 52 WB

Fair

Over: SUGAR CREEK

01.96 W SR 47, Boone, IN

Built 1966 Load: 42.5 t ADT: 9,868

CR 200S

Fair

Over: LENNOX DITCH

00.70 W OF CR 900 E, Boone, IN

Built 1900 Load: 42.8 t ADT: 710

CR 550N

Fair

Over: WOLF CREEK

00.70 W OF CR 900 W, Boone, IN

Built 1920 Load: 44.6 t ADT: 120

CR 1050W

Fair

Over: WALNUT FORK OF SUGAR CR

00.80 N OF CR 200 S, Boone, IN

Built 1977 Load: 44.8 t ADT: 120

W BUSBY STREET

Fair

Over: PRAIRIE CREEK

00.02 E OF JAMESON ST., Boone, IN

Built 1910 Load: 46.0 t ADT: 400

CR 1100E

Fair

Over: BIG EAGLE CREEK

00.05 S OF CR 550 S, Boone, IN

Built 1965 Load: 47.6 t ADT: 2,210

SR 32

Fair

Over: ISENHOUR DITCH

01.97 E SR 39, Boone, IN

Built 2000 Load: 50.2 t ADT: 3,770

US 136

Fair

Over: EMILY GARDNER DITCH

02.55 W SR 75, Boone, IN

Built 2008 Load: 53.8 t ADT: 16,753

SR 32

Fair

Over: WOLF CREEK

02.62 E SR 75, Boone, IN

Built 1927 Load: 55.1 t ADT: 7,529

SR 32

Fair

Over: HOSKIN DITCH

04.25 E SR 39, Boone, IN

Built 2001 Load: 57.0 t ADT: 5,098

CR 700E

Fair

Over: BRANCH OF MOUNTS RUN

00.15 S OF SR 32, Boone, IN

Built 1980 Load: 62.9 t ADT: 110

SR 75

Fair

Over: BIG RACCOON CREEK

02.33 N I-74, Boone, IN

Built 1997 Load: 68.7 t ADT: 1,869

KISSEL ROAD

Fair

Over: FISHBACK CREEK

00.15 S OF HUNT CLUB ROAD, Boone, IN

Built 1970 Load: 78.1 t ADT: 750

SR 38

Fair

Over: WILEY DITCH

05.36 W SR 47, Boone, IN

Built 1958 Load: 86.5 t ADT: 401

SR 47

Good

Over: BROWNS WONDER CREEK

02.63 N SR 39, Boone, IN

Built 1965 Load: 19.4 t ADT: 4,837

CR 300S

Good

Over: BIG EAGLE CREEK

00.75 W OF SR 421, Boone, IN

Built 1983 Load: 20.1 t ADT: 4,520

CR 300S

Good

Over: BRANCH OF FISHBACK CREEK

00.25 W OF CR 450 E, Boone, IN

Built 1995 Load: 21.1 t ADT: 1,410

CR 500S

Good

Over: FISHBACK CREEK

00.10 W OF CR 650 E, Boone, IN

Built 1998 Load: 23.3 t ADT: 110

CR 200N

Good

Over: WOLF CREEK

00.40 W OF CR 500 W, Boone, IN

Built 1984 Load: 23.7 t ADT: 120

CR 300E

Good

Over: WHITE LICK CREEK

00.45 N OF CR 550S, Boone, IN

Built 1996 Load: 23.7 t ADT: 120

CR 100S

Good

Over: WALNUT FORK OF SUGAR CR

00.80 W OF CR 950 W, Boone, IN

Built 1977 Load: 24.0 t ADT: 200

CR 550N

Good

Over: DIXON CREEK

00.01 W OF CR 1000 W, Boone, IN

Built 1978 Load: 24.3 t ADT: 120

CR 575E

Good

Over: FISHBACK CREEK

00.40 N OF CR 450 S, Boone, IN

Built 1987 Load: 24.3 t ADT: 110

IRISHMANS RUN LANE

Good

Over: IRISHMANS RUN

00.90 W OF FORD ROAD, Boone, IN

Built 1995 Load: 24.9 t ADT: 140

MAYFIELD LANE

Good

Over: LONG BRANCH CREEK

00.15 S OF SYCAMORE STREE, Boone, IN

Built 1985 Load: 26.2 t ADT: 50

CR 275W

Good

Over: SPRING CREEK

00.25 S OF SR 47, Boone, IN

Built 1992 Load: 27.2 t ADT: 120

CR 400N

Good

Over: WOLF CREEK

00.45 W OF CR 700 W, Boone, IN

Built 1988 Load: 27.5 t ADT: 120

CR 900W

Good

Over: BIG RACCOON CREEK

00.50 N OF CR 500 S, Boone, IN

Built 1999 Load: 28.2 t ADT: 120

ZIONSVILLE ROAD

Good

Over: EAGLE CREEK

00.15 S OF OAK STREET, Boone, IN

Built 1995 Load: 28.5 t ADT: 8,600

CR 400N

Good

Over: DEER CREEK

00.40 W OF CR 500 W, Boone, IN

Built 1992 Load: 28.8 t ADT: 120

US 52 EB

Good

Over: SUGAR CREEK

01.96 W SR 47, Boone, IN

Built 1941 Load: 29.4 t ADT: 2,460

I-65

Good

Over: PRAIRIE CREEK

01.41 N SR 32, Boone, IN

Built 1948 Load: 29.4 t ADT: 57,066

SR 39

Good

Over: GRASSY BRANCH

04.16 N I-74, Boone, IN

Built 1936 Load: 29.5 t ADT: 3,218

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

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Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainBridges

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.