US Bridges

SH 6 Nbfr over Westpark Tollway

Good

Harris County, Texas · SH 6 at Westpark Tollway · Structure no. 121020168505449

Built
2008
17 years old
Condition
Good
inspected August 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
98 ft
1 main span
Daily traffic
500
2013 count
Owner
State
State Highway Agency

About this bridge

SH 6 Nbfr over Westpark Tollway is a prestressed concrete box beam or girders - multiple carrying SH 6 Nbfr over Westpark Tollway in Harris County, Texas. It was built in 2008, so it is 17 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 500 vehicles a day, roughly 7% of them trucks, projected to reach 710 by 2033. The structure is 98 ft (29.9 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 6 Nbfr
CrossesWestpark Tollway
LocationSH 6 at Westpark Tollway
RouteState Highway 6
StateTexas
Coordinates29.7111, -95.64385
Functional classUrban Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionAugust 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length98 ft (29.9 m)
Longest span98 ft (29.9 m)
Deck width32 ft (9.9 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2013)
Projected traffic710 by 2033
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
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 SH 6 Nbfr over Westpark Tollway built?

It was built in 2008, making it 17 years old in 2025.

What condition is SH 6 Nbfr over Westpark Tollway 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 2022.

How much traffic does SH 6 Nbfr over Westpark Tollway carry?

About 500 vehicles per day (2013 count), of which roughly 7% are trucks.

How long is SH 6 Nbfr over Westpark Tollway?

The structure is 98 ft (29.9 m) long with a longest span of 98 ft (29.9 m) and a deck 32 ft wide.

Who owns SH 6 Nbfr over Westpark Tollway?

It is owned by the State Highway Agency.