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Boston Mountain Rd over Spring CR

Stone County, Missouri · rated Fair in the 2025 National Bridge Inventory

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

Boston Mountain Rd over Spring CR in Stone County, Missouri, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
It was built in 2008, making it 17 years old at the 2025 inventory.
It carries about 250 vehicles a day (traffic count year 2023).
Its listed owner is the county highway agency.
It is one of 35 of the 63 inventoried bridges in Stone County rated fair (55.6%); 4 (6.3%) 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 69 ft
Location	S 6 T 25 N R 23 W
NBI structure number	32400
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Mo 76 E over Mo 76 Unfinished Mo 4	1994	28,662	Fair
Mo 13 S over Crd Business Highway 13	2011	14,710	Good
Mo 13 S over Crd Spring St Mna RR	2001	9,635	Fair
Mo 13 N over Table Rock Lk	1956	9,320	Poor
Mo 265 S over Crane CR	2001	5,662	Good
Mo 265 S over Dodge CR	2001	5,662	Good