Allen County, IN

601 public highway bridges

Allen County Bridge Snapshot

Allen County, Indiana contains 601 public highway bridges in the FHWA National Bridge Inventory. Roughly 30.3% are rated “Good,” 47.9% “Fair,” 6.8% “Poor,” and 6.8% 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 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.

601
Total Bridges
30.3%
Good
6.8%
Poor
6.8%
Structurally Deficient

Condition Distribution

Good
30.3% (182)
Fair
47.9% (288)
Poor
6.8% (41)
SD
6.8% (41)

All Bridges (601)

TAYLOR ST

Fair

Over: JUNK DRAIN

00.10 E OF BRIGHT ST, Allen, IN

Built 1986 Load: 28.8 t ADT: 13,000

WEBSTER RD

Fair

Over: MCHENRY DRAIN

00.50 S PAULDING ROAD, Allen, IN

Built 1976 Load: 29.0 t ADT: 208

SR 930

Fair

Over: SPY RUN CREEK

00.74 W US 27, Allen, IN

Built 1947 Load: 29.5 t ADT: 24,272

I-469 EB

Fair

Over: NS RR (NEW CASTLE)

00.56 W SR 1, Allen, IN

Built 1988 Load: 29.8 t ADT: 11,351

I-469 EB

Fair

Over: HOUK DITCH

02.17 E US 27, Allen, IN

Built 1988 Load: 29.8 t ADT: 10,057

I-469 WB

Fair

Over: NS RR (NEW CASTLE)

00.56 W SR 1, Allen, IN

Built 1988 Load: 29.8 t ADT: 9,137

RIVER RUN RD

Fair

Over: SIX MILE CREEK

00.30 S PARENT RD, Allen, IN

Built 1971 Load: 29.8 t ADT: 468

BASS RD

Fair

Over: SEEGAR DRAIN

00.20 W SCOTT RD, Allen, IN

Built 1979 Load: 30.0 t ADT: 2,167

HOAGLAND RD

Fair

Over: ADAM SCHLEMMER BAKER DRA

00.40 E OF MCARDLE RD, Allen, IN

Built 1930 Load: 30.2 t ADT: 338

MAIN ST

Fair

Over: ST MARYS RIVER

00.10 W OF ROCKHILL ST, Allen, IN

Built 1921 Load: 30.4 t ADT: 14,025

PARNELL AVE

Fair

Over: ST JOSEPH RIVER

00.10 N OF ST. JOSEPH DR, Allen, IN

Built 1927 Load: 30.4 t ADT: 23,525

STATE BLVD

Fair

Over: ST JOSEPH RIVER

00.10 E OF SPY RUN AVE, Allen, IN

Built 1919 Load: 30.4 t ADT: 29,025

COLDWATER RD

Fair

Over: CEDAR CREEK

00.30 S FITCH RD, Allen, IN

Built 1983 Load: 30.4 t ADT: 4,525

W JEFFERSON BLVD

Fair

Over: NATURAL DRAIN

00.30 N ENGLE RD, Allen, IN

Built 1930 Load: 30.4 t ADT: 38,000

AIRPORT EXPY

Fair

Over: ST MARYS RIVER & PARK TR

00.20 N WINCHESTER RD, Allen, IN

Built 1972 Load: 30.4 t ADT: 21,075

E LINCOLN HWY

Fair

Over: FLATROCK CREEK

00.50 W LORTIE ROAD, Allen, IN

Built 1950 Load: 30.6 t ADT: 156

YODER RD

Fair

Over: DETTMER DRAIN

00.60 E SR 1, Allen, IN

Built 1975 Load: 30.7 t ADT: 468

E LINCOLN HWY

Fair

Over: HOFFMAN DRAIN

00.50 W SR 101, Allen, IN

Built 1950 Load: 30.7 t ADT: 156

EHLE RD

Fair

Over: BLACK CREEK

00.10 W ASHTON DRIVE, Allen, IN

Built 1973 Load: 30.8 t ADT: 130

WATTERSON RD

Fair

Over: MARTIN JOHNSON MAIN

00.11 W MADDEN ROAD, Allen, IN

Built 1937 Load: 30.8 t ADT: 108

SHOAFF RD

Fair

Over: WILLOW CREEK

00.10 E SR 3, Allen, IN

Built 1974 Load: 31.0 t ADT: 704

PAULDING RD

Fair

Over: SCHMIDT DRAIN

00.20 W GREEN ROAD, Allen, IN

Built 1975 Load: 31.0 t ADT: 468

HARRISON ST

Fair

Over: ST MARYS RIVER

00.10 N OF W SUPERIOR ST, Allen, IN

Built 1915 Load: 31.0 t ADT: 4,525

TILLMAN RD

Fair

Over: TRIER DRAIN

00.50 E HESSEN CASSEL RD, Allen, IN

Built 1975 Load: 31.0 t ADT: 7,050

EAGLE MARSH TOWPAT

Fair

Over: GRAHAM MCCULLOCH #1

00.14 MI SW ENGLE ROAD, Allen, IN

Built 1981 Load: 31.1 t ADT: 150

BAER RD

Fair

Over: HARBER DRAIN

00.40 N DALMAN RD, Allen, IN

Built 1962 Load: 31.2 t ADT: 4,190

YODER RD

Fair

Over: WITZGALL #1 DRAIN

00.10 E FEICHNER, Allen, IN

Built 1935 Load: 31.2 t ADT: 520

TRENTMAN RD

Fair

Over: JACOB KOEHLINGER DRAIN

00.10 S MAPLES ROAD, Allen, IN

Built 1979 Load: 31.2 t ADT: 547

FLATROCK RD

Fair

Over: HOUK DRAIN

00.50 E BRUNSON ROAD, Allen, IN

Built 1975 Load: 31.3 t ADT: 208

I-469 WB

Fair

Over: ST JOSEPH RIVER

01.39 E I-69, Allen, IN

Built 1995 Load: 31.4 t ADT: 23,570

BRANSTRATOR RD

Fair

Over: ROBINSON-BRINDLE DRAIN

00.40 S OF YOHNE RD, Allen, IN

Built 1900 Load: 31.4 t ADT: 156

HAMPTON WOODS DR

Fair

Over: ROY DELAGRANGE DRAIN

00.06 N AUTUMN TREE DR., Allen, IN

Built 1985 Load: 31.4 t ADT: 158

WORDEN RD

Fair

Over: HAMM DITCH

00.10 E KILLIAN ROAD, Allen, IN

Built 1900 Load: 31.7 t ADT: 104

COLDWATER RD

Fair

Over: WILLOW CREEK

00.10 S SHOAFF RD, Allen, IN

Built 1993 Load: 32.0 t ADT: 4,525

US 27 NB

Fair

Over: HOUK DITCH

00.72 N I-469, Allen, IN

Built 1954 Load: 32.1 t ADT: 5,586

I-469 EB

Fair

Over: ST MARY'S RIVER

00.45 W US 27, Allen, IN

Built 1990 Load: 32.1 t ADT: 9,678

MOORE RD

Fair

Over: MOUREY DRAIN

00.10 N PAULDING ROAD, Allen, IN

Built 1902 Load: 32.3 t ADT: 104

I-469 SB Off-Ramp

Fair

Over: GRICE DITCH

01.04 W SR 37, Allen, IN

Built 1992 Load: 32.4 t ADT: 4,572

PLATTER RD

Fair

Over: MAUMEE RIVER

00.01 E THIMLER ROAD, Allen, IN

Built 1962 Load: 32.5 t ADT: 3,904

I-69

Fair

Over: DURNELL DITCH

00.95 S SR 14, Allen, IN

Built 1961 Load: 32.7 t ADT: 59,380

WORDEN RD

Fair

Over: WANN DITCH

00.10 E SR 101, Allen, IN

Built 1950 Load: 32.7 t ADT: 104

HUNTER RD

Fair

Over: WILLOW CREEK

00.50 W LIMA RD, Allen, IN

Built 1982 Load: 32.7 t ADT: 163

DOTY RD

Fair

Over: WILBUR DRAIN

00.15 W BRUSH COLLEGE RD, Allen, IN

Built 1970 Load: 32.7 t ADT: 416

FOGEL RD

Fair

Over: YANT DRAIN

00.40 N MCCOMB RD, Allen, IN

Built 1985 Load: 32.7 t ADT: 163

ARCOLA RD

Fair

Over: SEEGAR DRAIN

00.10 E FELGER RD, Allen, IN

Built 1963 Load: 32.7 t ADT: 1,300

WASHINGTON CENTER

Fair

Over: SEEGAR DRAIN

00.20 E O'DAY RD, Allen, IN

Built 1960 Load: 32.7 t ADT: 3,525

TRIER RD

Fair

Over: BULLERMAN DITCH

00.20 E GOEGLEIN RD, Allen, IN

Built 1950 Load: 32.7 t ADT: 3,500

IRVING RD

Fair

Over: WILBUR DRAIN

00.75 E THIMLER ROAD, Allen, IN

Built 1970 Load: 32.7 t ADT: 245

ST JOE RD

Fair

Over: TIERNAN DRAIN

00.25 S FLUTTER ROAD, Allen, IN

Built 1996 Load: 32.7 t ADT: 11,375

WOODBURN RD

Fair

Over: LITZENBERG DRAIN

00.01 W STATE LINE ROAD, Allen, IN

Built 1990 Load: 32.7 t ADT: 1,535

Related

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