US Bridges

Westpark Tollway over Dairy Ashford RD

Good

Harris County, Texas · 2.85 MI W of Beltway 8 · Structure no. 121020TOL030030

Built
2004
21 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
310 ft
3 main spans
Daily traffic
10,000
2013 count
Owner
Toll Authority
Local Toll Authority

About this bridge

Westpark Tollway over Dairy Ashford RD is a prestressed concrete stringer/multi-beam or girder carrying Westpark Tollway over Dairy Ashford RD in Harris County, Texas. It was built in 2004, so it is 21 years old, younger 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 10,000 vehicles a day, roughly 5% of them trucks, projected to reach 50,000 by 2033. The structure is 310 ft (94.5 m) long and 81 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesWestpark Tollway
CrossesDairy Ashford RD
Location2.85 MI W of Beltway 8
StateTexas
Coordinates29.71434, -95.6047
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable 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 length310 ft (94.5 m)
Longest span116 ft (35.4 m)
Deck width81 ft (24.7 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,000 (2013)
Projected traffic50,000 by 2033
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerLocal Toll Authority
Maintained byLocal Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Westpark Tollway over Dairy Ashford RD built?

It was built in 2004, making it 21 years old in 2025.

What condition is Westpark Tollway over Dairy Ashford RD 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 November 2023.

How much traffic does Westpark Tollway over Dairy Ashford RD carry?

About 10,000 vehicles per day (2013 count), of which roughly 5% are trucks.

How long is Westpark Tollway over Dairy Ashford RD?

The structure is 310 ft (94.5 m) long with a longest span of 116 ft (35.4 m) and a deck 81 ft wide.

Who owns Westpark Tollway over Dairy Ashford RD?

It is owned by the Local Toll Authority.