US Bridges

Trebor ST over Armand Bayou

FairPosted for load

Harris County, Texas · 0.1 M. S of Spencer RD · Structure no. 121020C03166001

Built
1988
37 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete Continuous
Length
60 ft
3 main spans
Daily traffic
899
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Trebor ST over Armand Bayou is a concrete continuous slab carrying Trebor ST over Armand Bayou in Harris County, Texas. It was built in 1988, so it is 37 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. Its operating status is: posted for load restriction.

It carries about 899 vehicles a day, projected to reach 2,800 by 2026. The structure is 60 ft (18.3 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesTrebor ST
CrossesArmand Bayou
Location0.1 M. S of Spencer RD
RouteCity Street 0
CountyHarris County
StateTexas
Coordinates29.66306, -95.14087
Functional classUrban 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.
Superstructure7 GoodSome minor problems.
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 statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
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 typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length60 ft (18.3 m)
Longest span20 ft (6.1 m)
Deck width50 ft (15.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic899 (2021)
Projected traffic2,800 by 2026
Trucks0%
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

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Trebor ST over Armand Bayou built?

It was built in 1988, making it 37 years old in 2025.

What condition is Trebor ST over Armand 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 2023.

How much traffic does Trebor ST over Armand Bayou carry?

About 899 vehicles per day (2021 count).

How long is Trebor ST over Armand Bayou?

The structure is 60 ft (18.3 m) long with a longest span of 20 ft (6.1 m) and a deck 50 ft wide.

Who owns Trebor ST over Armand Bayou?

It is owned by the Town or Township Highway Agency.