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)

SR 32

Unknown

Over: I-65 NBL

01.06 W SR-39, Boone, IN

Built 2006 ADT: 23,410

CSX RR

Unknown

Over: SR 32

00.50 E I-65, Boone, IN

Built 1992 ADT: 12,200

SR 39

Unknown

Over: I-65 NBL

00.90 S SR 32, Boone, IN

Built 2012 ADT: 30,985

SR 47

Unknown

Over: I-65 NB

01.84 S SR 39, Boone, IN

Built 1970 ADT: 22,997

SR 75

Unknown

Over: I-74 EB

01.36 N SR 234, Boone, IN

Built 1963 ADT: 8,490

WHITESTOWN PKWY

Unknown

Over: I-65 NB

06.22 W US 421, Boone, IN

Built 1958 ADT: 39,637

I-65 NB

Unknown

Over: LAFAYETTE ROAD SBL

00.48 S I-865, Boone, IN

Built 1959 ADT: 2,775

I-65 SB

Unknown

Over: LAFAYETTE ROAD SBL

00.48 S I-865, Boone, IN

Built 1959 ADT: 2,775

CR 100E/HALL-BAKER

Unknown

Over: I-65 NBL

01.17 S SR 39, Boone, IN

Built 1958 ADT: 30,975

CSX RR

Unknown

Over: I-65 NB

00.55 N SR 39, Boone, IN

Built 2013

US 52 WB

Unknown

Over: I-65 SB

01.89 N SR 32, Boone, IN

Built 1970 ADT: 22,997

206TH ST/ CR 300 N

Unknown

Over: I-65 SB

00.73 N US 52, Boone, IN

Built 1970 ADT: 22,997

246TH ST/ CR 700 N

Unknown

Over: I-65 SBL

01.11 N SR 47, Boone, IN

Built 1970 ADT: 20,255

261ST ST/CR 850N

Unknown

Over: I-65 NB

02.91 N SR 47, Boone, IN

Built 1969 ADT: 21,686

271ST ST/CO LN RD

Unknown

Over: I-65 NB

04.08 N SR 47, Boone, IN

Built 1970 ADT: 21,686

CR 1100W

Unknown

Over: I-74 WB

04.02 W SR 75, Boone, IN

Built 1964 ADT: 8,150

CR 500S

Unknown

Over: I-74 WBL

02.44 W SR 75, Boone, IN

Built 1964 ADT: 7,420

CR 700S

Unknown

Over: I-74 WBL

00.89 E SR 75, Boone, IN

Built 1963 ADT: 10,519

CR 800S/CO LINE RD

Unknown

Over: I-74 WB

02.32 E SR 75, Boone, IN

Built 1963 ADT: 9,950

I65 NB to I865 WB

Unknown

Over: I-865 EB

01.97 W US 421, Boone, IN

Built 1967 ADT: 11,495

I-465 WB TO I-465

Unknown

Over: I-865 EBL

02.19 W US 421, Boone, IN

Built 1967 ADT: 13,939

I-65 SB TO I-865 E

Unknown

Over: I65 SB

00.54 E I-65, Boone, IN

Built 1971 ADT: 26,336

KISSEL ROAD

Unknown

Over: I-865 WB

01.50 E I-65, Boone, IN

Built 1971 ADT: 16,104

COOPER ROAD

Unknown

Over: I-865 EB

02.25 E I-65, Boone, IN

Built 1971 ADT: 13,744

FORD ROAD

Unknown

Over: I-865 WB

03.77 E I-65, Boone, IN

Built 1971 ADT: 13,205

SR 267

Unknown

Over: I-65 NBL

08.59 N I-74, Boone, IN

Built 2010 ADT: 30,000

SR 39

Fair

Over: PRAIRIE CREEK

00.51 N SR 32, Boone, IN

Built 1984 Load: 15.9 t ADT: 15,483

CR 550S

Fair

Over: N FORK BIG WALNUT CREEK

00.25 E OF CR500 W, Boone, IN

Built 1937 Load: 21.3 t ADT: 670

BLOOR LANE

Fair

Over: ZIONSVILLE TRAIL/DITCH

00.10 E FORD ROAD, Boone, IN

Built 1920 Load: 22.4 t ADT: 1,870

PARK STREET

Fair

Over: PRAIRIE CREEK

00.02 S OF FORDICE STREET, Boone, IN

Built 1935 Load: 22.7 t ADT: 480

CR 700W

Fair

Over: LITTLE SUGAR CREEK

00.25 N OF SR 32, Boone, IN

Built 1920 Load: 23.3 t ADT: 120

CR 450N

Fair

Over: DIXON CREEK

00.25 W OF CR 1050 W, Boone, IN

Built 1990 Load: 23.3 t ADT: 120

US 52

Fair

Over: PRAIRIE CREEK

02.09 W I-65, Boone, IN

Built 1941 Load: 23.8 t ADT: 9,868

CR 500S

Fair

Over: BETT DITCH

00.19 W OF CR 100 E, Boone, IN

Built 1930 Load: 24.0 t ADT: 120

EDLIN ROAD

Fair

Over: EDLIN DITCH

00.15 S OF CR 400 S, Boone, IN

Built 1940 Load: 24.0 t ADT: 120

CR 750S

Fair

Over: ETTER DITCH

01.10 W OF CR 600 E, Boone, IN

Built 1992 Load: 24.0 t ADT: 620

HUNT CLUB ROAD

Fair

Over: FISHBACK CREEK

00.65 W OF CR 850 E, Boone, IN

Built 1970 Load: 24.3 t ADT: 680

CR 500N

Fair

Over: SPRING CREEK

00.10 E OF CR150 W, Boone, IN

Built 1992 Load: 24.6 t ADT: 120

US 52

Fair

Over: BRUSH CREEK

02.68 W SR 47, Boone, IN

Built 1941 Load: 24.9 t ADT: 9,868

US 52

Fair

Over: PRAIRIE CREEK

00.73 W I-65, Boone, IN

Built 1941 Load: 24.9 t ADT: 10,947

CR 550S

Fair

Over: EDLIN DITCH

00.50 W OF SR 39, Boone, IN

Built 1980 Load: 25.6 t ADT: 670

CR 450E

Fair

Over: FISHBACK CREEK

00.25 N OF CR 400 S, Boone, IN

Built 1995 Load: 25.6 t ADT: 110

WILLOW ROAD

Fair

Over: LITTLE EAGLE CREEK

00.50 E OF US 421, Boone, IN

Built 1995 Load: 25.6 t ADT: 1,300

CR 700W

Fair

Over: COOK DITCH

00.25 N OF CR 425 S, Boone, IN

Built 1920 Load: 25.9 t ADT: 120

US 52

Fair

Over: PRAIRIE CREEK

01.74 E SR 47, Boone, IN

Built 1941 Load: 26.1 t ADT: 9,868

I-865 EB

Fair

Over: FISHBACK CREEK

01.33 E I-65, Boone, IN

Built 1971 Load: 26.2 t ADT: 17,056

I-865 WB

Fair

Over: FISHBACK CREEK

01.33 E I-65, Boone, IN

Built 1971 Load: 26.2 t ADT: 17,056

I-465 WB

Fair

Over: ABANDONED RR

01.51 W US 421, Boone, IN

Built 1967 Load: 26.6 t ADT: 49,259

CR 1000W

Fair

Over: LITTLE SUGAR CREEK

01.00 N OF SR 32, Boone, IN

Built 1920 Load: 26.6 t ADT: 120

CR 1175W

Fair

Over: WALNUT FORK OF SUGAR CR

00.35 N OF CR 200 S, Boone, IN

Built 1930 Load: 26.6 t ADT: 120
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.