US Bridges

US 90 Wbfr over Carpenters Bayou

Fair

Harris County, Texas · 1.00 MI E of Bw 8 · Structure no. 121020002802171

Built
1989
36 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
165 ft
3 main spans
Daily traffic
2,127
2022 count
Owner
State
State Highway Agency

About this bridge

US 90 Wbfr over Carpenters Bayou is a prestressed concrete stringer/multi-beam or girder carrying US 90 Wbfr over Carpenters Bayou in Harris County, Texas. It was built in 1989, so it is 36 years old, younger 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 2,127 vehicles a day, roughly 8% of them trucks, projected to reach 3,956 by 2040. The structure is 165 ft (50.3 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 90 Wbfr
CrossesCarpenters Bayou
Location1.00 MI E of Bw 8
RouteU.S. Route 90
StateTexas
Coordinates29.83954, -95.16102
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length165 ft (50.3 m)
Longest span55 ft (16.8 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,127 (2022)
Projected traffic3,956 by 2040
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US 90 Wbfr over Carpenters Bayou built?

It was built in 1989, making it 36 years old in 2025.

What condition is US 90 Wbfr 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 August 2024.

How much traffic does US 90 Wbfr over Carpenters Bayou carry?

About 2,127 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is US 90 Wbfr over Carpenters Bayou?

The structure is 165 ft (50.3 m) long with a longest span of 55 ft (16.8 m) and a deck 42 ft wide.

Who owns US 90 Wbfr over Carpenters Bayou?

It is owned by the State Highway Agency.