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)

WALLEN RD

Fair

Over: BECKETT RUN

00.10 E AUBURN RD, Allen, IN

Built 1997 Load: 39.0 t ADT: 2,767

HOFFMAN RD

Fair

Over: ELLISON #2 DRAIN

00.20 E WILSON RD, Allen, IN

Built 1971 Load: 39.0 t ADT: 104

SAMPSON RD

Fair

Over: BOHNKE DRAIN

00.20 N MAPLES ROAD, Allen, IN

Built 1900 Load: 39.1 t ADT: 104

FERGUSON RD

Fair

Over: ROBINSON-BRINDLE DRAIN

00.40 E COVERDALE RD, Allen, IN

Built 1975 Load: 39.1 t ADT: 104

HANNA ST

Fair

Over: CURDES TILE ND #1

00.45 S TILLMAN ROAD, Allen, IN

Built 1980 Load: 39.2 t ADT: 850

NOTESTINE RD

Fair

Over: KILLIAN DRAIN

00.20 W SR 101, Allen, IN

Built 1970 Load: 39.3 t ADT: 703

ROUSSEY RD

Fair

Over: LOMONT DRAIN

00.01 N RORICK ROAD, Allen, IN

Built 1974 Load: 39.5 t ADT: 104

HURSH RD

Fair

Over: CEDAR CREEK

00.30 E PUFF ROAD, Allen, IN

Built 1992 Load: 39.7 t ADT: 271

RYAN RD

Fair

Over: A MARTIN DRAIN

00.60 N US 30, Allen, IN

Built 1972 Load: 39.9 t ADT: 859

TONKEL RD

Fair

Over: NATURAL DRAIN #3

00.10 S POPP ROAD, Allen, IN

Built 1940 Load: 40.2 t ADT: 11,775

HAMILTON RD

Fair

Over: HARBER DRAIN

00.20 E HARBER RD, Allen, IN

Built 1974 Load: 40.3 t ADT: 260

O'DAY RD

Fair

Over: SEEGAR DRAIN

00.30 N US 30, Allen, IN

Built 1965 Load: 40.4 t ADT: 1,111

STILLWOOD DR

Fair

Over: BULLERMAN DRAIN

00.10 S STELLHORN RD, Allen, IN

Built 2004 Load: 40.5 t ADT: 105

LORTIE RD

Fair

Over: FLATROCK CREEK

01.00 S PAULDING ROAD, Allen, IN

Built 1962 Load: 40.6 t ADT: 130

HOAGLAND RD

Fair

Over: FLATROCK CREEK

00.30 W MORGAN RD, Allen, IN

Built 1975 Load: 40.7 t ADT: 775

SNYDER RD

Fair

Over: MCHENRY DRAIN

00.30 N TILLMAN ROAD, Allen, IN

Built 1980 Load: 40.9 t ADT: 104

SNYDER RD

Fair

Over: ELLISON #2 DRAIN

00.30 S MAPLES ROAD, Allen, IN

Built 1979 Load: 40.9 t ADT: 130

BRUICK RD

Fair

Over: GRICE DRAIN

00.10 S IRVING ROAD, Allen, IN

Built 1975 Load: 41.1 t ADT: 312

LONG RD

Fair

Over: BULLERMAN DRAIN

00.01 S SHORDON ROAD, Allen, IN

Built 1997 Load: 41.1 t ADT: 263

MAYHEW RD

Fair

Over: ST JOSEPH RIVER

00.50 W ST JOE ROAD, Allen, IN

Built 1988 Load: 41.2 t ADT: 13,550

HAMILTON RD

Fair

Over: WITZGALL #1 DRAIN

00.50 E INDIANAPOLIS RD, Allen, IN

Built 1976 Load: 41.5 t ADT: 156

NOTESTINE RD

Fair

Over: HAMM INTERCEPTOR DRAIN

00.10 E SCIPIO ROAD, Allen, IN

Built 1997 Load: 42.3 t ADT: 625

MCARDLE RD

Fair

Over: ADAM SCHLEMMER BAKER DRA

00.50 N HOAGLAND RD, Allen, IN

Built 1973 Load: 42.5 t ADT: 156

BRUICK RD

Fair

Over: ROTH DRAIN

00.07 S SR 37, Allen, IN

Built 1975 Load: 42.6 t ADT: 156

I-469 WB RAMP

Fair

Over: HARBER DITCH

00.11 W SR 1, Allen, IN

Built 1989 Load: 42.8 t ADT: 2,272

BULL RAPIDS RD

Fair

Over: MAUMEE RIVER

00.10 E DOERMAN ROAD, Allen, IN

Built 1987 Load: 43.0 t ADT: 1,675

BREMER RD

Fair

Over: LOMONT DRAIN

00.30 W BERTHAUD ROAD, Allen, IN

Built 1980 Load: 43.3 t ADT: 141

GAR CREEK RD

Fair

Over: EDGERTON-CARSON DRAIN

00.01 W BROBST ROAD, Allen, IN

Built 1935 Load: 43.7 t ADT: 130

ENGLE RD

Fair

Over: JUNK DRAIN

01.70 E JEFFERSON BLVD, Allen, IN

Built 1982 Load: 43.7 t ADT: 15,000

HALE AVE

Fair

Over: ST MARYS RIVER

00.10 W OF PAULINE ST, Allen, IN

Built 1993 Load: 44.0 t ADT: 3,025

SCIPIO RD

Fair

Over: WANN DITCH

00.15 S KNOUSE ROAD, Allen, IN

Built 1971 Load: 44.9 t ADT: 312

LANDIN RD

Fair

Over: MAUMEE RIVER

00.01 S NORTH RIVER ROAD, Allen, IN

Built 1966 Load: 45.1 t ADT: 14,325

SCIPIO RD

Fair

Over: HAMM DITCH

00.01 N KNOUSE ROAD, Allen, IN

Built 1971 Load: 45.4 t ADT: 312

GIBSON RD

Fair

Over: NATURAL DRAIN

00.20 W MILL ROAD, Allen, IN

Built 1950 Load: 45.4 t ADT: 31

HARTZELL RD

Fair

Over: TRIER DRAIN

00.10 S US 30, Allen, IN

Built 1977 Load: 45.6 t ADT: 4,735

US 30 WB

Fair

Over: FLATROCK CREEK

00.79 E SR 101, Allen, IN

Built 1977 Load: 45.7 t ADT: 7,603

MILAN CENTER RD

Fair

Over: BOTTERON DRAIN

00.50 N DOTY ROAD, Allen, IN

Built 2000 Load: 46.2 t ADT: 156

SHAEFFER RD

Fair

Over: BLACK CREEK

00.01 S NOTESTINE ROAD, Allen, IN

Built 1975 Load: 46.4 t ADT: 156

ROSE AVE

Fair

Over: TRIER DRAIN

00.10 W LANDIN RD, Allen, IN

Built 1970 Load: 46.4 t ADT: 5,500

SYCAMORE HILLS DR

Fair

Over: BEAL-TAYLOR DRAIN

00.30 S SR 14, Allen, IN

Built 1988 Load: 48.2 t ADT: 166

NORTHCREST DR

Fair

Over: STONY RUN CREEK

00.10 S OF WARWICK AVE, Allen, IN

Built 1995 Load: 48.3 t ADT: 111

AIRPORT EXPRESSWAY

Fair

Over: ROBINSON CREEK

00.90 E BRANSTRATOR RD, Allen, IN

Built 2002 Load: 48.6 t ADT: 5,525

I-469 EB

Fair

Over: HARBER DITCH

00.12 W SR 1, Allen, IN

Built 1989 Load: 49.2 t ADT: 10,737

I-469 WB

Fair

Over: HARBER DITCH

00.12 W SR 1, Allen, IN

Built 1989 Load: 49.2 t ADT: 10,737

FILLMORE ST

Fair

Over: JUNK DRAIN

00.10 N COVINGTON RD, Allen, IN

Built 1995 Load: 49.4 t ADT: 291

NOTESTINE RD

Fair

Over: WERTZ DITCH

00.10 E RUPERT ROAD, Allen, IN

Built 1970 Load: 50.2 t ADT: 703

LORTIE RD

Fair

Over: HOFFMAN DRAIN

00.50 S PAULDING ROAD, Allen, IN

Built 1963 Load: 51.0 t ADT: 156

WASHINGTON CENTER

Fair

Over: SPY RUN CREEK

00.40 W OF SR 3, Allen, IN

Built 2018 Load: 51.4 t ADT: 14,100

GOSHEN AVE

Fair

Over: LOWTHER-NEWHAUS DRAIN

00.30 E HARRIS RD, Allen, IN

Built 1997 Load: 52.6 t ADT: 20,000

SPRINGFIELD CENTER

Fair

Over: WANN DITCH

00.15 E SR 101, Allen, IN

Built 1968 Load: 53.1 t ADT: 141

Related

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