US Bridges

Market ST over Carpenters Bayou Trib

Fair

Harris County, Texas · 0.35 MI W of Sheldon RD · Structure no. 121020AA4850002

Built
1940
85 years old, rebuilt 1965
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
7,803
2013 count
Owner
County
County Highway Agency

About this bridge

Market ST over Carpenters Bayou Trib is a concrete culvert carrying Market ST over Carpenters Bayou Trib in Harris County, Texas. It was built in 1940 and reconstructed in 1965, so it is 85 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 7,803 vehicles a day, roughly 10% of them trucks, projected to reach 8,650 by 2030. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesMarket ST
CrossesCarpenters Bayou Trib
Location0.35 MI W of Sheldon RD
RouteCounty Highway 0
CountyHarris County
StateTexas
Coordinates29.77183, -95.13084
Functional classRural 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation6: Equal to present minimum 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 typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,803 (2013)
Projected traffic8,650 by 2030
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Market ST over Carpenters Bayou Trib built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1965.

What condition is Market ST over Carpenters Bayou Trib 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 September 2023.

How much traffic does Market ST over Carpenters Bayou Trib carry?

About 7,803 vehicles per day (2013 count), of which roughly 10% are trucks.

How long is Market ST over Carpenters Bayou Trib?

The structure is 26 ft (7.9 m) long with a longest span of 10 ft (3 m).

Who owns Market ST over Carpenters Bayou Trib?

It is owned by the County Highway Agency.