Home › Missouri › Shannon County › Service Road over Alley Spring Branch

Service Road over Alley Spring Branch

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

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

Service Road over Alley Spring Branch in Shannon 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 6 (satisfactory condition) on the 0-9 scale.
It was built in 1975 and reconstructed in 1983, making it 50 years old at the 2025 inventory.
It carries about 10 vehicles a day (traffic count year 2019).
It is one of 40 of the 64 inventoried bridges in Shannon County rated fair (62.5%); 7 (10.9%) 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	Steel stringer or multi-beam girder
Length	about 90 ft
Location	Adjacent to Alley Spring
NBI structure number	6640005P0000000
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US 60 E over Birch CR	1967	6,107	Fair
US 60 E over Hurricane CR	1967	5,568	Fair
US 60 E over Seamam CR	1967	4,202	Fair
US 60 E over Deep Pond Hollow	1978	4,202	Fair
US 60 W over Jam UP CR	2008	3,807	Good
US 60 E over Jam UP CR	2011	3,617	Good