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Ammo Avenue over Long Branch Creek

Johnson County, Missouri · rated Good in the 2025 National Bridge Inventory

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

Ammo Avenue over Long Branch Creek in Johnson County, Missouri, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
It was built in 1990, making it 35 years old at the 2025 inventory.
It carries about 80 vehicles a day (traffic count year 2020).
It is one of 166 of the 475 inventoried bridges in Johnson County rated good (34.9%); 33 (6.9%) are rated poor.
Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
Its condition class and component ratings are unchanged from the 2024 inventory.
Its most recent inspection on record is dated August 2024, on a 24-month routine inspection cycle.
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

Component	Rating (2024)	Rating (2025)	FHWA scale meaning
Culvert	7	7	Good condition


Structure	Concrete culvert
Length	about 25 ft
Location	0.08 Miles North of Vace
NBI structure number	AFMOYWHG00002
Condition class	Good
Traffic status (item 41)	Open, no restriction
Last inspection (item 90)	August 2024
Inspection interval (item 91)	24 months
Scour (item 113)	5: foundations stable, scour within the limits of the footing or piles

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

Bridge	Built	Vehicles/day	Condition
US 50 E over Mayes Br	1968	18,503	Fair
US 50 E over Trib Blackwater Rv	1924	17,553	Fair
Bu 13 S over US 50	1959	17,494	Fair
US 50 W over Post Oak CR	1967	14,542	Fair
Bu 13 S over UP RR	1963	14,241	Fair
US 50 W over Devils Br	1967	10,624	Fair