US Bridges

Greenhouse RD over Langham Creek

Good

Harris County, Texas · 0.5 MI S of West RD · Structure no. 121020AA6279023

Built
2016
9 years old
Condition
Good
inspected December 2023
Type
Arch - Deck
Concrete
Length
49 ft
1 main span
Daily traffic
12,600
2021 count
Owner
County
County Highway Agency

About this bridge

Greenhouse RD over Langham Creek is a concrete arch - deck carrying Greenhouse RD over Langham Creek in Harris County, Texas. It was built in 2016, so it is 9 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 12,600 vehicles a day, roughly 3% of them trucks, projected to reach 16,000 by 2042. The structure is 49 ft (14.9 m) long and 102 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesGreenhouse RD
CrossesLangham Creek
Location0.5 MI S of West RD
RouteCity Street 0
StateTexas
Coordinates29.90282, -95.70449
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length49 ft (14.9 m)
Longest span48 ft (14.6 m)
Deck width102 ft (31.1 m)
Roadway width48 ft (14.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,600 (2021)
Projected traffic16,000 by 2042
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Greenhouse RD over Langham Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is Greenhouse RD over Langham 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 December 2023.

How much traffic does Greenhouse RD over Langham Creek carry?

About 12,600 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Greenhouse RD over Langham Creek?

The structure is 49 ft (14.9 m) long with a longest span of 48 ft (14.6 m) and a deck 102 ft wide.

Who owns Greenhouse RD over Langham Creek?

It is owned by the County Highway Agency.