US Bridges

Warren Ranch RD over Rock Hollow Creek

Good

Harris County, Texas · 0.1 MI S of Mound RD · Structure no. 121020AA0233005

Built
2011
14 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
370
2015 count
Owner
County
County Highway Agency

About this bridge

Warren Ranch RD over Rock Hollow Creek is a concrete culvert carrying Warren Ranch RD over Rock Hollow Creek in Harris County, Texas. It was built in 2011, so it is 14 years old, younger 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 370 vehicles a day, projected to reach 600 by 2035. The structure is 33 ft (10.1 m) long and 39 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesWarren Ranch RD
CrossesRock Hollow Creek
Location0.1 MI S of Mound RD
RouteCounty Highway 0
StateTexas
Coordinates29.99058, -95.84846
Functional classRural Local

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span9 ft (2.7 m)
Deck width39 ft (11.9 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic370 (2015)
Projected traffic600 by 2035
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$64,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Warren Ranch RD over Rock Hollow Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is Warren Ranch RD over Rock Hollow Creek 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 November 2023.

How much traffic does Warren Ranch RD over Rock Hollow Creek carry?

About 370 vehicles per day (2015 count).

How long is Warren Ranch RD over Rock Hollow Creek?

The structure is 33 ft (10.1 m) long with a longest span of 9 ft (2.7 m) and a deck 39 ft wide.

Who owns Warren Ranch RD over Rock Hollow Creek?

It is owned by the County Highway Agency.