US Bridges

CR 18 /Gruhlkey RD over Drain

Good

Oldham County, Texas · 0.1 MI S of IH 40 · Structure no. 041800009003037

Built
1969
56 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
28 ft
5 main spans
Daily traffic
980
2011 count
Owner
State
State Highway Agency

About this bridge

CR 18 /Gruhlkey RD over Drain is a concrete culvert carrying CR 18 /Gruhlkey RD over Drain in Oldham County, Texas. It was built in 1969, so it is 56 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 980 vehicles a day, roughly 64% of them trucks, projected to reach 1,760 by 2031. The structure is 28 ft (8.5 m) long and 41 ft wide.

CarriesCR 18 /Gruhlkey RD
CrossesDrain
Location0.1 MI S of IH 40
RouteInterstate 40
StateTexas
Coordinates35.26219, -102.74446
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span5 ft (1.5 m)
Deck width41 ft (12.6 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic980 (2011)
Projected traffic1,760 by 2031
Trucks64%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 18 /Gruhlkey RD over Drain built?

It was built in 1969, making it 56 years old in 2025.

What condition is CR 18 /Gruhlkey RD over Drain in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does CR 18 /Gruhlkey RD over Drain carry?

About 980 vehicles per day (2011 count), of which roughly 64% are trucks.

How long is CR 18 /Gruhlkey RD over Drain?

The structure is 28 ft (8.5 m) long with a longest span of 5 ft (1.5 m) and a deck 41 ft wide.

Who owns CR 18 /Gruhlkey RD over Drain?

It is owned by the State Highway Agency.