US Bridges

IH 10 over West Canal

Fair

Harris County, Texas · 3.5 MI E of IH 610 · Structure no. 121020050801027

Built
1950
75 years old, rebuilt 1958
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
23 ft
4 main spans
Daily traffic
170,605
2023 count
Owner
State
State Highway Agency

About this bridge

IH 10 over West Canal is a concrete culvert carrying IH 10 over West Canal in Harris County, Texas. It was built in 1950 and reconstructed in 1958, so it is 75 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 170,605 vehicles a day, roughly 12% of them trucks, projected to reach 199,430 by 2033. The structure is 23 ft (7 m) long.

CarriesIH 10
CrossesWest Canal
Location3.5 MI E of IH 610
RouteInterstate 10
StateTexas
Coordinates29.77142, -95.20387
Functional classUrban Principal Arterial - Interstate

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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length23 ft (7 m)
Longest span5 ft (1.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic170,605 (2023)
Projected traffic199,430 by 2033
Trucks12%
Lanes on structure14
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 IH 10 over West Canal built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1958.

What condition is IH 10 over West Canal 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 October 2024.

How much traffic does IH 10 over West Canal carry?

About 170,605 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is IH 10 over West Canal?

The structure is 23 ft (7 m) long with a longest span of 5 ft (1.5 m).

Who owns IH 10 over West Canal?

It is owned by the State Highway Agency.