US Bridges

Wstprk EB / US59NB over US 59 & Wtpk Tlwy Conn 6

Fair

Harris County, Texas · 0.50 MI E of Hillcroft · Structure no. 121020TOL030008

Built
2004
21 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
3,020 ft
2 main spans
Daily traffic
10,000
2015 count
Owner
Toll Authority
Local Toll Authority

About this bridge

Wstprk EB / US59NB over US 59 & Wtpk Tlwy Conn 6 is a steel continuous stringer/multi-beam or girder carrying Wstprk EB / US59NB over US 59 & Wtpk Tlwy Conn 6 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 fair condition with a lowest component rating of 5 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 10,000 vehicles a day, roughly 5% of them trucks, projected to reach 50,000 by 2035. The structure is 3,020 ft (920.5 m) long and 27 ft wide.

Location

Open in Google Maps
CarriesWstprk EB / US59NB
CrossesUS 59 & Wtpk Tlwy Conn 6
Location0.50 MI E of Hillcroft
CountyHarris County
StateTexas
Coordinates29.72223, -95.49416
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+19 approach)
Design loadHS 20
Structure length3,020 ft (920.5 m)
Longest span335 ft (102.1 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,000 (2015)
Projected traffic50,000 by 2035
Trucks5%
Lanes on structure1
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Wstprk EB / US59NB over US 59 & Wtpk Tlwy Conn 6 built?

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

What condition is Wstprk EB / US59NB over US 59 & Wtpk Tlwy Conn 6 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 December 2023.

How much traffic does Wstprk EB / US59NB over US 59 & Wtpk Tlwy Conn 6 carry?

About 10,000 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is Wstprk EB / US59NB over US 59 & Wtpk Tlwy Conn 6?

The structure is 3,020 ft (920.5 m) long with a longest span of 335 ft (102.1 m) and a deck 27 ft wide.

Who owns Wstprk EB / US59NB over US 59 & Wtpk Tlwy Conn 6?

It is owned by the Local Toll Authority.