US Bridges

Greenhouse RD over S Mayde CR

Fair

Harris County, Texas · 0.10 MI N of Saums RD · Structure no. 121020AA0193001

Built
1978
47 years old, rebuilt 2002
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
200 ft
5 main spans
Daily traffic
2,000
2013 count
Owner
County
County Highway Agency

About this bridge

Greenhouse RD over S Mayde CR is a concrete stringer/multi-beam or girder carrying Greenhouse RD over S Mayde CR in Harris County, Texas. It was built in 1978 and reconstructed in 2002, so it is 47 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,000 vehicles a day, roughly 1% of them trucks, projected to reach 8,000 by 2033. The structure is 200 ft (61 m) long and 74 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesGreenhouse RD
CrossesS Mayde CR
Location0.10 MI N of Saums RD
RouteCounty Highway 0
CountyHarris County
StateTexas
Coordinates29.80214, -95.70401
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadUnknown
Structure length200 ft (61 m)
Longest span40 ft (12.2 m)
Deck width74 ft (22.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2013)
Projected traffic8,000 by 2033
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$24,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Greenhouse RD over S Mayde CR built?

It was built in 1978, making it 47 years old in 2025. It was reconstructed in 2002.

What condition is Greenhouse RD over S Mayde CR in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2023.

How much traffic does Greenhouse RD over S Mayde CR carry?

About 2,000 vehicles per day (2013 count), of which roughly 1% are trucks.

How long is Greenhouse RD over S Mayde CR?

The structure is 200 ft (61 m) long with a longest span of 40 ft (12.2 m) and a deck 74 ft wide.

Who owns Greenhouse RD over S Mayde CR?

It is owned by the County Highway Agency.