US Bridges

Wallisville RD over Ciwa Canal

Good

Harris County, Texas · 0.45 MI E of Wade RD · Structure no. 121020AA3375003

Built
1965
60 years old
Condition
Good
inspected August 2023
Type
Other
Prestressed Concrete
Length
102 ft
3 main spans
Daily traffic
6,242
2022 count
Owner
County
County Highway Agency

About this bridge

Wallisville RD over Ciwa Canal is a prestressed concrete other carrying Wallisville RD over Ciwa Canal in Harris County, Texas. It was built in 1965, so it is 60 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,242 vehicles a day, roughly 5% of them trucks, projected to reach 9,363 by 2042. The structure is 102 ft (31.1 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesWallisville RD
CrossesCiwa Canal
Location0.45 MI E of Wade RD
RouteCounty Highway 0
CountyHarris County
StateTexas
Coordinates29.81985, -95.00952
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 typeOther
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length102 ft (31.1 m)
Longest span33 ft (10.1 m)
Deck width41 ft (12.6 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,242 (2022)
Projected traffic9,363 by 2042
Trucks5%
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

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 Wallisville RD over Ciwa Canal built?

It was built in 1965, making it 60 years old in 2025.

What condition is Wallisville RD over Ciwa Canal in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does Wallisville RD over Ciwa Canal carry?

About 6,242 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Wallisville RD over Ciwa Canal?

The structure is 102 ft (31.1 m) long with a longest span of 33 ft (10.1 m) and a deck 41 ft wide.

Who owns Wallisville RD over Ciwa Canal?

It is owned by the County Highway Agency.