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Whitmore Lake Road over Cn-gtc-gtw RR (abn)

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

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

Whitmore Lake Road over Cn-gtc-gtw RR (abn) in Livingston County, Michigan, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1960, making it 65 years old at the 2025 inventory.
It carries about 2,433 vehicles a day (traffic count year 2020).
Its listed owner is the county highway agency.
It is one of 95 of the 165 inventoried bridges in Livingston County rated fair (57.6%); 23 (13.9%) 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 multiple box beam
Length	about 137 ft
Location	Sec 32 Green Oak Twp
NBI structure number	000000000005841
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I-96 EB Cd over US-23 NB	2016	516,020	Good
US-23 over M-36	1960	64,800	Poor
I-96 WB Cd over US-23 SB	2016	51,600	Good
I-96 WB over US-23 SB	2015	51,600	Fair
I-96 EB over US-23 NB	2015	51,600	Fair
I-96 WB over US-23 NB	2015	51,600	Fair