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Ditch Road over Shiawassee River

Saginaw County, Michigan · rated Fair in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

Ditch Road over Shiawassee River in Saginaw County, Michigan, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1999, making it 26 years old at the 2025 inventory.
It carries about 630 vehicles a day (traffic count year 1990).
Its listed owner is the county highway agency.
It is one of 165 of the 315 inventoried bridges in Saginaw County rated fair (52.4%); 58 (18.4%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings


Structure	Prestressed concrete stringer or multi-beam girder
Length	about 180 ft
Location	0.6 Mi E of Ridge Road
NBI structure number	000000000009200
Condition class	Fair

Source: FHWA National Bridge Inventory, 2025 data as reported by the Michigan department of transportation.

Bridge	Built	Vehicles/day	Condition
I-75 NB over Cass River	1961	56,192	Good
I-75 US-10 over CSX RR	1961	47,480	Fair
I-75 US-10 over CSX RR	1958	46,000	Fair
I-75 SB over CSX RR	1958	38,000	Fair
I-75 NB over CSX RR	2021	32,900	Good
I-75 SB over CSX RR	2021	32,900	Fair