Home › Michigan › Saginaw County › M-13 over Birch Run Outlet Drn

M-13 over Birch Run Outlet Drn

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

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

M-13 over Birch Run Outlet Drn in Saginaw County, Michigan, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
It was built in 2016, making it 9 years old at the 2025 inventory.
It carries about 6,275 vehicles a day (traffic count year 2012).
Its listed owner is the state highway agency.
It is one of 92 of the 315 inventoried bridges in Saginaw County rated good (29.2%); 58 (18.4%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings


Structure	Prestressed concrete stringer or multi-beam girder
Length	about 125 ft
Location	7.1 Mi S of M-46
NBI structure number	000000000009080
Condition class	Good

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