US Bridges

Garrett RD over Carpenters Bayou

Fair

Harris County, Texas · 0.65 MI E of Bw 8 · Structure no. 121020AA4468001

Built
1977
48 years old
Condition
Fair
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
200 ft
4 main spans
Daily traffic
5,925
2022 count
Owner
County
County Highway Agency

About this bridge

Garrett RD over Carpenters Bayou is a prestressed concrete box beam or girders - multiple carrying Garrett RD over Carpenters Bayou in Harris County, Texas. It was built in 1977, so it is 48 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 5,925 vehicles a day, roughly 11% of them trucks, projected to reach 10,784 by 2042. The structure is 200 ft (61 m) long and 31 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesGarrett RD
CrossesCarpenters Bayou
Location0.65 MI E of Bw 8
RouteCounty Highway 0
CountyHarris County
StateTexas
Coordinates29.88318, -95.18718
Functional classUrban Collector

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 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 spans4
Design loadUnknown
Structure length200 ft (61 m)
Longest span50 ft (15.2 m)
Deck width31 ft (9.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,925 (2022)
Projected traffic10,784 by 2042
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$13,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Garrett RD over Carpenters Bayou built?

It was built in 1977, making it 48 years old in 2025.

What condition is Garrett RD over Carpenters Bayou 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 November 2023.

How much traffic does Garrett RD over Carpenters Bayou carry?

About 5,925 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is Garrett RD over Carpenters Bayou?

The structure is 200 ft (61 m) long with a longest span of 50 ft (15.2 m) and a deck 31 ft wide.

Who owns Garrett RD over Carpenters Bayou?

It is owned by the County Highway Agency.