US Bridges

Timber Forest DR over Drainage Reserve

Good

Harris County, Texas · 0.03 MI of Madera Run · Structure no. 121020AA1176001

Built
2018
7 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
750
2019 count
Owner
County
County Highway Agency

About this bridge

Timber Forest DR over Drainage Reserve is a concrete culvert carrying Timber Forest DR over Drainage Reserve in Harris County, Texas. It was built in 2018, so it is 7 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 750 vehicles a day, projected to reach 1,500 by 2039. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesTimber Forest DR
CrossesDrainage Reserve
Location0.03 MI of Madera Run
RouteCity Street 0
StateTexas
Coordinates29.9572, -95.1931
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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length22 ft (6.7 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2019)
Projected traffic1,500 by 2039
Trucks0%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Timber Forest DR over Drainage Reserve built?

It was built in 2018, making it 7 years old in 2025.

What condition is Timber Forest DR over Drainage Reserve 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 August 2023.

How much traffic does Timber Forest DR over Drainage Reserve carry?

About 750 vehicles per day (2019 count).

How long is Timber Forest DR over Drainage Reserve?

The structure is 22 ft (6.7 m) long with a longest span of 9 ft (2.7 m).

Who owns Timber Forest DR over Drainage Reserve?

It is owned by the County Highway Agency.