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CR 18 /Gruhlkey Rd over Drain

Oldham County, Texas · rated Good in the 2025 National Bridge Inventory

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

CR 18 /Gruhlkey Rd over Drain in Oldham County, Texas, 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 1969, making it 56 years old at the 2025 inventory.
It carries about 980 vehicles a day (traffic count year 2011).
Its listed owner is the state highway agency.
It is one of 22 of the 50 inventoried bridges in Oldham County rated good (44.0%); 0 (0.0%) 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 September 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.

Component ratings

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


Structure	Concrete culvert
Length	about 27 ft
Location	0.1 Mi S of Ih 40
NBI structure number	041800009003037
Condition class	Good
Traffic status (item 41)	Open, no restriction
Last inspection (item 90)	September 2023
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 Texas department of transportation.

Bridge	Built	Vehicles/day	Condition
Ih 40 over Draw	1938	15,057	Fair
Ih 40 over Draw	1938	14,440	Good
Ih 40 over Draw	1938	14,440	Fair
Ih 40 over Draw	1938	14,440	Good
Ih 40 over Drain	1937	13,595	Good
Ih 40 over Drain	1937	10,070	Good