US Bridges

Old Greenhouse RD over Bear Creek

Good

Harris County, Texas · 1.00 MI N of Clay RD · Structure no. 121020AA0237001

Built
1987
38 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
142 ft
3 main spans
Daily traffic
7,525
2016 count
Owner
County
County Highway Agency

About this bridge

Old Greenhouse RD over Bear Creek is a prestressed concrete box beam or girders - multiple carrying Old Greenhouse RD over Bear Creek in Harris County, Texas. It was built in 1987, so it is 38 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 7,525 vehicles a day, roughly 1% of them trucks, projected to reach 5,000 by 2033. The structure is 142 ft (43.3 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesOld Greenhouse RD
CrossesBear Creek
Location1.00 MI N of Clay RD
RouteCounty Highway 0
StateTexas
Coordinates29.84522, -95.69105
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
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 alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating36 US tons
Inventory rating27 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length142 ft (43.3 m)
Longest span47 ft (14.3 m)
Deck width34 ft (10.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,525 (2016)
Projected traffic5,000 by 2033
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 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$9,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Greenhouse RD over Bear Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is Old Greenhouse RD over Bear 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 August 2023.

How much traffic does Old Greenhouse RD over Bear Creek carry?

About 7,525 vehicles per day (2016 count), of which roughly 1% are trucks.

How long is Old Greenhouse RD over Bear Creek?

The structure is 142 ft (43.3 m) long with a longest span of 47 ft (14.3 m) and a deck 34 ft wide.

Who owns Old Greenhouse RD over Bear Creek?

It is owned by the County Highway Agency.