SR 91 over Mud Creek

Cullman County, Alabama · rated Good in the 2025 National Bridge Inventory

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

• SR 91 over Mud Creek in Cullman County, Alabama, 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 1988, making it 37 years old at the 2025 inventory.
• It carries about 3,886 vehicles a day (traffic count year 2022).
• Its listed owner is the state highway agency.
• It is one of 71 of the 246 inventoried bridges in Cullman County rated good (28.9%); 14 (5.7%) 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 2023, 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.

View this bridge on a map → (34.055, -86.77667)

Component ratings

Bridge details

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

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