US Bridges

Westpark Tlwy WB over SH 99

Good

Fort Bend County, Texas · Westpark Tlw at SH 99 · Structure no. 120800TOL020310

Built
2006
19 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
450 ft
5 main spans
Daily traffic
3,585
2010 count
Owner
Toll Authority
Local Toll Authority

About this bridge

Westpark Tlwy WB over SH 99 is a prestressed concrete stringer/multi-beam or girder carrying Westpark Tlwy WB over SH 99 in Fort Bend County, Texas. It was built in 2006, so it is 19 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 3,585 vehicles a day, roughly 5% of them trucks, projected to reach 10,290 by 2030. The structure is 450 ft (137.2 m) long and 40 ft wide.

CarriesWestpark Tlwy WB
CrossesSH 99
LocationWestpark Tlw at SH 99
StateTexas
Coordinates29.70078, -95.77519
Functional classUrban Other Principal Arterial

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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length450 ft (137.2 m)
Longest span90 ft (27.4 m)
Deck width40 ft (12.3 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deck20 ft (6.2 m)

Traffic and service

Average daily traffic3,585 (2010)
Projected traffic10,290 by 2030
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Westpark Tlwy WB over SH 99 built?

It was built in 2006, making it 19 years old in 2025.

What condition is Westpark Tlwy WB over SH 99 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 Tlwy WB over SH 99 carry?

About 3,585 vehicles per day (2010 count), of which roughly 5% are trucks.

How long is Westpark Tlwy WB over SH 99?

The structure is 450 ft (137.2 m) long with a longest span of 90 ft (27.4 m) and a deck 40 ft wide.

Who owns Westpark Tlwy WB over SH 99?

It is owned by the Local Toll Authority.