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CR 18 over Theis Creek

Perry County, Indiana · rated Good in the 2025 National Bridge Inventory

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

CR 18 over Theis Creek in Perry County, Indiana, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 9 (excellent condition) on the 0-9 scale.
It was built in 2018, making it 7 years old at the 2025 inventory.
It carries about 170 vehicles a day (traffic count year 2021).
Its listed owner is the county highway agency.
It is one of 62 of the 149 inventoried bridges in Perry County rated good (41.6%); 3 (2.0%) are rated poor.
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


Structure	Steel stringer or multi-beam girder
Length	about 43 ft
Location	01.00 N of CR 16
NBI structure number	6200180
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
I-64 over Tige Creek	1973	16,479	Fair
I-64 Wbl over Sigler Creek	1973	13,260	Good
SR 237 over Castleberry Creek	1965	11,538	Fair
SR 237 over Ohio River 3 Sts RR	1966	9,560	Fair
SR 66 over Windy Creek	1940	9,028	Fair
I-64 Wbl over Middle Fk Anderson River	1973	8,719	Good