Washtenaw County, MI

93 public highway bridges

Washtenaw County Bridge Snapshot

Washtenaw County, Michigan contains 93 public highway bridges in the FHWA National Bridge Inventory. Roughly 20.4% are rated “Good,” 31.2% “Fair,” 16.1% “Poor,” and 16.1% 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 MI 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.

93
Total Bridges
20.4%
Good
16.1%
Poor
16.1%
Structurally Deficient

Condition Distribution

Good
20.4% (19)
Fair
31.2% (29)
Poor
16.1% (15)
SD
16.1% (15)

All Bridges (93)

I-94 EB

Unknown

Over: WIARD RD

2.0 MI SE OF YPSILANTI, Washtenaw, MI

Built 1958 ADT: 11,000

PLATT RD

Unknown

Over: I-94

0.8 MI W OF US-23, Washtenaw, MI

Built 1998 ADT: 78,348

US-12 (M/E TRI LVL

Unknown

Over: ACM TEST TRACK

0.5 MI W OF CO LINE, Washtenaw, MI

Built 1942 ADT: 11,500

HARRIS RD

Unknown

Over: I-94

1.0 MI E OF YPSILANTI, Washtenaw, MI

Built 1971 ADT: 22,756

AA RR

Unknown

Over: US-23 BR

IN ANN ARBOR N MAIN ST, Washtenaw, MI

Built 1951 ADT: 23,379

US-23NB, I-94BL

Unknown

Over: PACKARD RD

IN ANN ARBOR (PACKARD RD), Washtenaw, MI

Built 1962 ADT: 26,560

PLYMOUTH-ANNARBOR

Unknown

Over: US-23

IN ANN ARBOR, Washtenaw, MI

Built 1962 ADT: 70,540

8 MI RD

Unknown

Over: US-23

AT LIVINGSTON CO LINE, Washtenaw, MI

Built 2017 ADT: 66,750

WILLOW RD

Unknown

Over: US-23

2.1 MI N OF MONROE COL, Washtenaw, MI

Built 1962 ADT: 41,226

WILLIS RD

Unknown

Over: US-23

3.5 MI S OF US-12, Washtenaw, MI

Built 1962 ADT: 56,800

US-12

Unknown

Over: US-23

@ US-12, Washtenaw, MI

Built 2023 ADT: 54,548

PONTIAC TRAIL

Unknown

Over: US-23 SB, M-14 EB

0.5 MI E OF W JCT M-14, Washtenaw, MI

Built 1962 ADT: 36,627

PONTIAC TRAIL

Unknown

Over: US-23 NB, M-14 WB

0.5 MI E OF W JCT M-14, Washtenaw, MI

Built 1962 ADT: 36,627

NIXON RD

Unknown

Over: US-23, M-14

2.0 MI NE OF ANN ARBOR, Washtenaw, MI

Built 1962 ADT: 73,254

M-14 EB

Unknown

Over: RAMP B US-23

E JCT US-23 (OVER RAMP B), Washtenaw, MI

Built 1964 ADT: 4,200

M-14 EB

Unknown

Over: EARHART RD

0.5 MI E OF US-23, Washtenaw, MI

Built 1964 ADT: 250

US-23 SB/M-14 EB

Unknown

Over: M-14 W

@ W JCT US-23 (LOWER), Washtenaw, MI

Built 1962 ADT: 36,627

M-14 WB

Unknown

Over: EARHART RD

0.5 MI E OF US-23, Washtenaw, MI

Built 1964 ADT: 250

CURTIS ROAD

Unknown

Over: M-14

3 MI W OF WAYNE CO LINE, Washtenaw, MI

Built 1975 ADT: 51,334

JOY ROAD

Unknown

Over: M-14

5.0 M SW OF PLYMOUTH, Washtenaw, MI

Built 1975 ADT: 51,334

GOTFREDSON ROAD

Unknown

Over: M-14

4.0 MI W OF PLYMOUTH, Washtenaw, MI

Built 1975 ADT: 55,818

NOTTEN RD

Unknown

Over: I-94

0.4 MI E OF JACKSON COL, Washtenaw, MI

Built 1960 ADT: 45,876

I-94 WB

Unknown

Over: DANCER RD

4.5 MI E OF M-52, Washtenaw, MI

Built 1961 ADT: 490

ZEEB RD

Unknown

Over: I-94

1.5 MI W OF M-14, Washtenaw, MI

Built 2002 ADT: 77,206

M-14 EB

Unknown

Over: I-94 WB

2.0 MI NW OF ANN ARBOR, Washtenaw, MI

Built 1966 ADT: 23,119

JACKSON AV WB,94BR

Unknown

Over: I-94 RAMP

0.5 MI W OF I-94 BL, Washtenaw, MI

Built 1960 ADT: 9,998

MILLER RD

Unknown

Over: M-14

1.3 MI NE OF I-94, Washtenaw, MI

Built 1966 ADT: 39,963

NEWPORT RD

Unknown

Over: M-14

IN ANN ARBOR, Washtenaw, MI

Built 1966 ADT: 39,963

M-14

Unknown

Over: US-23 BR HURON RIVER DRV

IN ANN ARBOR, Washtenaw, MI

Built 2000 ADT: 22,036

HURON PARKWAY

Unknown

Over: HURON RV,GEDDES & NFS RR

1.0 MI W OF US-23, Washtenaw, MI

Built 1968 ADT: 11,500

DANCER ROAD

Fair

Over: MILL CREEK

LIMA TWP SEC 26 & 27, Washtenaw, MI

Built 1928 Load: 10.1 t ADT: 149

MAPLE ROAD

Fair

Over: HURON RIVER

ANN ARBOR TWP SEC 7, Washtenaw, MI

Built 1876 Load: 13.6 t ADT: 1,963

GUENTHER RD

Fair

Over: MILL CREEK

LIMA TWP SEC 34, Washtenaw, MI

Built 1944 Load: 14.3 t ADT: 139

EAST DELHI ROAD

Fair

Over: HURON RIVER

SCIO TWP SEC 2, Washtenaw, MI

Built 1900 Load: 19.1 t ADT: 750

PRATT RD

Fair

Over: HONEY CREEK

SCIO TWP SEC 14 & 23, Washtenaw, MI

Built 1980 Load: 25.0 t ADT: 233

MARTZ RD

Fair

Over: PAINT CREEK

YPSILANTI TWP SEC 34, Washtenaw, MI

Built 1965 Load: 25.7 t ADT: 4,021

DANCER ROAD

Fair

Over: MILL CREEK

LIMA TWP SEC 22 & 23, Washtenaw, MI

Built 1980 Load: 26.0 t ADT: 167

AUSTIN ROAD

Fair

Over: RIVER RAISIN

MANCHESTER TWP SEC 1, Washtenaw, MI

Built 1987 Load: 26.4 t ADT: 4,366

JUDD ROAD (EAST)

Fair

Over: PAINT CREEK

AUGUSTA TWP SEC 10 & 15 W, Washtenaw, MI

Built 1984 Load: 28.1 t ADT: 163

JUDD ROAD (WEST)

Fair

Over: PAINT CREEK

AUGUSTA TWP SEC 10 & 15 E, Washtenaw, MI

Built 1984 Load: 28.1 t ADT: 142

MAPLE ROAD

Fair

Over: SALINE RIVER

YORK TWP SEC 18, Washtenaw, MI

Built 1984 Load: 29.4 t ADT: 128

ZEEB ROAD

Fair

Over: HURON RIVER

SC10 TWP SEC 9 & 10, Washtenaw, MI

Built 1961 Load: 30.5 t ADT: 7,241

SALINE-WATERWORKS

Fair

Over: TRIB TO SALINE RIVER

LODI TWP .25 MI E OF DELL, Washtenaw, MI

Built 1990 Load: 35.0 t ADT: 880

MOOREVILLE ROAD

Fair

Over: SALINE RIVER

YORK TWP SEC 28, Washtenaw, MI

Built 1981 Load: 36.4 t ADT: 6,114

PLATT ROAD

Fair

Over: SALINE RIVER

YORK TWP SECTION 34 & 35, Washtenaw, MI

Built 1970 Load: 37.3 t ADT: 4,600

US-23 NB

Fair

Over: MDOT RR COR & HURON RVR

1.2 MI N OF M-17 & US-23, Washtenaw, MI

Built 1962 Load: 37.9 t ADT: 37,373

MARSHALL RD

Fair

Over: MILL CREEK

SCIO TWP SEC 18, Washtenaw, MI

Built 1976 Load: 39.5 t ADT: 807

DIXBORO RD

Fair

Over: MDOT RR COR & HURON RVR

ANN ARBOR TWP SEC 36, Washtenaw, MI

Built 2004 Load: 39.5 t ADT: 18,085

MCCOLLUM ROAD

Fair

Over: SALINE RIVER

BRIDGEWATER TWP SEC 14, Washtenaw, MI

Built 1968 Load: 41.5 t ADT: 236

FACTORY STREET

Fair

Over: HURON RIVER

IN THE CITY OF YPSILANTI, Washtenaw, MI

Built 1978 Load: 42.4 t ADT: 11,700

Related

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