US Bridges

Rockville Drive over Greens Bayou

Good

Harris County, Texas · 0.2 MI S of FM 1960 · Structure no. 121020AA1983001

Built
1980
45 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
92 ft
3 main spans
Daily traffic
2,660
2013 count
Owner
County
County Highway Agency

About this bridge

Rockville Drive over Greens Bayou is a prestressed concrete box beam or girders - multiple carrying Rockville Drive over Greens Bayou in Harris County, Texas. It was built in 1980, so it is 45 years old, older 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 2,660 vehicles a day, roughly 1% of them trucks, projected to reach 5,760 by 2033. The structure is 92 ft (28 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRockville Drive
CrossesGreens Bayou
Location0.2 MI S of FM 1960
RouteCounty Highway 0
CountyHarris County
StateTexas
Coordinates29.94581, -95.56142
Functional classRural Major Collector

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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length92 ft (28 m)
Longest span31 ft (9.4 m)
Deck width33 ft (10.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,660 (2013)
Projected traffic5,760 by 2033
Trucks1%
Lanes on structure2
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$5,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Rockville Drive over Greens Bayou built?

It was built in 1980, making it 45 years old in 2025.

What condition is Rockville Drive over Greens Bayou 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 Rockville Drive over Greens Bayou carry?

About 2,660 vehicles per day (2013 count), of which roughly 1% are trucks.

How long is Rockville Drive over Greens Bayou?

The structure is 92 ft (28 m) long with a longest span of 31 ft (9.4 m) and a deck 33 ft wide.

Who owns Rockville Drive over Greens Bayou?

It is owned by the County Highway Agency.