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Timberbrook Run over Grassy Branch

Hamilton County, Indiana · rated Fair in the 2025 National Bridge Inventory

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

Timberbrook Run over Grassy Branch in Hamilton County, Indiana, 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 1990, making it 35 years old at the 2025 inventory.
It carries about 510 vehicles a day (traffic count year 2024).
Its listed owner is the county highway agency.
It is one of 134 of the 460 inventoried bridges in Hamilton County rated fair (29.1%); 11 (2.4%) 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 23 ft
Location	00.02 S of SR 32
NBI structure number	2900286
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I-465 over Monon Greenway	2010	129,425	Good
96TH St East over White River	1996	80,300	Fair
US 31 over Stanbrough Creek	2014	75,763	Good
US 31 NB over Unt Cool Creek	2014	75,763	Good
US 31 SB over Unt Cool Creek	2014	75,763	Good
US 31 NB over 151ST Street	2013	75,763	Good