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Nfa A009 over Sulphur Branch

Montgomery County, Tennessee · rated Good in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled

View this bridge on a map → (36.40237, -87.24302)

Component ratings

ComponentRating (2024)Rating (2025)FHWA scale meaning
Deck87Good condition
Superstructure87Good condition
Substructure87Good condition

Bridge details

StructurePrestressed concrete single box beam
Lengthabout 47 ft
Location2 M S of Clarksville
NBI structure number630A0090001
Condition classGood
Traffic status (item 41)Open, no restriction
Last inspection (item 90)November 2024
Inspection interval (item 91)24 months
Scour (item 113)8: foundations stable, scour above the top of the footing

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

Busiest bridges in Montgomery County

BridgeBuiltVehicles/dayCondition
I24 over Red River197288,998Fair
I24 over Red River197288,998Fair
I24 over I24 Rl / SR 76197288,998Fair
I24 over I24 Ll / SR 76197288,998Fair
I24 over Spring Creek197073,806Good
I24 over Spring Creek197073,806Good

All bridges nearby: Montgomery County, TN bridge conditions · every bridge in Montgomery County · Tennessee bridges.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.