Marion County, IN

964 public highway bridges

Marion County Bridge Snapshot

Marion County, Indiana contains 964 public highway bridges in the FHWA National Bridge Inventory. Roughly 27% are rated “Good,” 36% “Fair,” 3.7% “Poor,” and 3.7% 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 IN 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.

964

Total Bridges

27%

Good

3.7%

Poor

3.7%

Structurally Deficient

Condition Distribution

Good

27% (260)

Fair

36% (347)

Poor

3.7% (36)

SD

3.7% (36)

All Bridges (964)

Sort:

KEYSTONE AVENUE

Over: HOWLAND DITCH

00.15 N OF 71ST STREET, Marion, IN

Built 1960 Load: 34.3 t ADT: 54,496

MERIDIAN STREET

Over: FALL CREEK

00.45 S OF 30TH STREET, Marion, IN

Built 1917 Load: 34.3 t ADT: 25,289

10TH STREET

Over: WHITE RIVER

00.70 W OF INDIANA AVENUE, Marion, IN

Built 1979 Load: 34.7 t ADT: 29,346

CARROLL ROAD

Over: BRIER CREEK

00.45 N OF BROOKVILLE RD, Marion, IN

Built 1995 Load: 34.7 t ADT: 3,185

MARLIN ROAD

Over: BUCK CREEK

00.60 E OF SENOUR ROAD, Marion, IN

Built 1959 Load: 34.7 t ADT: 697

RALSTON RD

Over: GOOSE CREEK

00.70 W OF MANN RD, Marion, IN

Built 1961 Load: 34.7 t ADT: 1,560

91ST ST

Over: WILLIAMS CREEK

00.45 W OF SPRING MILL RD, Marion, IN

Built 1974 Load: 34.9 t ADT: 12,965

OHIO ST

Over: INDPLS WATER CO CANAL

00.40 W OF MERIDIAN ST, Marion, IN

Built 1986 Load: 34.9 t ADT: 7,832

I-70

Over: CSX WYE TRACKS

03.88 E I-465, Marion, IN

Built 1967 Load: 35.0 t ADT: 109,416

SR 134

Over: MARIO CREEK

00.03 S US 136, Marion, IN

Built 1974 Load: 35.3 t ADT: 13,393

I-70 EB

Over: GRASSY CREEK

03.11 E I-465, Marion, IN

Built 1967 Load: 35.3 t ADT: 31,813

I-70 WB

Over: GRASSY CREEK

03.11 E I-465, Marion, IN

Built 1967 Load: 35.3 t ADT: 31,813

MOORESVILLE RD

Over: STATE DITCH

00.23 E OF MANN RD, Marion, IN

Built 1965 Load: 35.3 t ADT: 6,487

BLUFF RD

Over: LITTLE BUCK CREEK

00.20 NE OF SOUTHPORT RD, Marion, IN

Built 1995 Load: 35.3 t ADT: 21,344

WASHINGTON STREET

Over: BIG EAGLE CREEK

0.10 MI E OF ROCKVILLE RD, Marion, IN

Built 1938 Load: 35.3 t ADT: 25,347

COUNTRY CLUB RD

Over: COX DITCH

00.65 N OF ROCKVILLE RD, Marion, IN

Built 1973 Load: 35.4 t ADT: 10,222

42ND STREET

Over: STEELE DITCH

00.33 E OF GERMAN CHURCH, Marion, IN

Built 1974 Load: 35.5 t ADT: 605

KEYSTONE AVE

Over: LICK CREEK

00.15 N I-465, Marion, IN

Built 1962 Load: 35.6 t ADT: 9,207

MITTHOEFER ROAD

Over: WILDCAT RUN

00.05 S OF MCGREGOR RD, Marion, IN

Built 1991 Load: 35.6 t ADT: 460

WESTFIELD BLVD

Over: WHITE RIVER

01.05 S OF 75th ST, Marion, IN

Built 1979 Load: 36.1 t ADT: 15,512

US 40

Over: LITTLE WHITE LICK CREEK

03.35 W I-465, Marion, IN

Built 1941 Load: 36.3 t ADT: 31,078

SHADELAND AVENUE

Over: CONRAIL RR

00.25 N OF MASSACHUSETTS, Marion, IN

Built 1936 Load: 36.3 t ADT: 25,725

NEW YORK ST

Over: WHITE RIVER

.9 MILE WEST OF MLK JR ST, Marion, IN

Built 1972 Load: 36.3 t ADT: 9,570

CONSERVATORY DRIVE

Over: PLEASANT RUN

00.05 SE OF PLSNT RUN PKW, Marion, IN

Built 1907 Load: 36.3 t ADT: 1,275

EMERSON AVENUE

Over: LICK CREEK

00.15 S OF RAYMOND STREET, Marion, IN

Built 1970 Load: 36.3 t ADT: 18,978

EMERSON AVE

Over: BEECH CREEK

00.70 N I-465, Marion, IN

Built 1970 Load: 36.3 t ADT: 42,339

42ND STREET

Over: MITTHOEFER DITCH

00.30 W OF MITTHOEFFER RD, Marion, IN

Built 1965 Load: 37.2 t ADT: 25,044

42ND ST

Over: INDIAN CREEK

00.30 W OF GERMAN CHURCH, Marion, IN

Built 1974 Load: 37.2 t ADT: 11,018

ACTON ROAD

Over: WILDCAT RUN

00.05 W ACTON ROAD, Marion, IN

Built 1973 Load: 37.2 t ADT: 6,703

I-74 EB

Over: EAGLE CREEK

01.97 W I-465, Marion, IN

Built 1960 Load: 37.6 t ADT: 21,264

I-74 WB

Over: EAGLE CREEK

01.97 W I-465, Marion, IN

Built 1960 Load: 37.6 t ADT: 21,264

I-465 SB

Over: CSX RR

00.17 N US 52, Marion, IN

Built 1965 Load: 37.6 t ADT: 55,558

79TH ST

Over: CROOKED CREEK

00.08 E MICHIGAN RD, Marion, IN

Built 1964 Load: 37.6 t ADT: 23,506

LANTERN RD

Over: MUD CREEK

00.03 E OF SERGEANT RD, Marion, IN

Built 2002 Load: 37.6 t ADT: 645

I-70 WB C-D

Over: PLEASANT RUN

00.42 W I-465, Marion, IN

Built 1990 Load: 37.9 t ADT: 16,515

I-465 NB

Over: CSX RR

00.17 N US 52, Marion, IN

Built 1965 Load: 37.9 t ADT: 55,108

SENOUR RD

Over: BIG RUN

00.35 N OF THOMPSON RD, Marion, IN

Built 1972 Load: 37.9 t ADT: 1,557

KESSLER BLVD E. DR

Over: INDPLS WATER CO CANAL

00.18 E OF MERIDIAN STREE, Marion, IN

Built 1992 Load: 38.0 t ADT: 16,761

NORTHBROOK DR

Over: HOWARD JOHNSON DITCH

00.55 N OF 79TH ST, Marion, IN

Built 1966 Load: 38.2 t ADT: 2,143

I-65

Over: PEDESTRIAN WALK

04.59 N I-70, Marion, IN

Built 1969 Load: 38.6 t ADT: 80,236

38TH STREET WB

Over: IWC CANAL, ACCESS ROAD

00.35 W OF MICHIGAN ROAD, Marion, IN

Built 1960 Load: 38.6 t ADT: 13,232

EMERSON WAY

Over: FALL CREEK

00.23 S OF 56TH STREET, Marion, IN

Built 1961 Load: 38.9 t ADT: 14,689

21ST ST

Over: PLEASANT RUN

00.15 E OF SHADELAnd AVE, Marion, IN

Built 1992 Load: 39.2 t ADT: 22,097

EDGEWOOD AVE

Over: LITTLE BUCK CREEK

00.75 E OF MERIDIAN ST, Marion, IN

Built 1960 Load: 39.2 t ADT: 5,820

MANN RD

Over: DOLLAR HIDE CREEK

00.75 N OF SOUTHPORT RD, Marion, IN

Built 1981 Load: 39.2 t ADT: 14,868

I-65 SB RAMP

Over: LITTLE BUCK CREEK

02.61 S I-465, Marion, IN

Built 1970 Load: 39.5 t ADT: 20,000

ARLINGTON AVE

Over: LICK CREEK

00.55 N OF RAYMOND ST, Marion, IN

Built 1961 Load: 39.6 t ADT: 20,090

ALBANY STREET

Over: LICK CREEK

00.35 E OF SHERMAN DRIVE, Marion, IN

Built 1979 Load: 39.8 t ADT: 4,039

67TH ST

Over: HOWLAND DITCH

00.55 W OF KEYSTONE AVE, Marion, IN

Built 1940 Load: 40.0 t ADT: 96

I-465 NB

Over: CSX RR

00.24 N US 36 / SR 67, Marion, IN

Built 1966 Load: 40.2 t ADT: 79,983

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

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

Reviewed byPlainbridges Editorial, Plain Bridges Editorial Team · June 6, 2026