US Bridges

W Houston Pkwy NB over UP Railroad

Fair

Harris County, Texas · 1.17 MI S of Will Clayton · Structure no. 121020AA6650004

Built
1996
29 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
840 ft
1 main span
Daily traffic
16,066
2022 count
Owner
County
County Highway Agency

About this bridge

W Houston Pkwy NB over UP Railroad is a prestressed concrete stringer/multi-beam or girder carrying W Houston Pkwy NB over UP Railroad in Harris County, Texas. It was built in 1996, so it is 29 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 16,066 vehicles a day, roughly 3% of them trucks, projected to reach 22,492 by 2042. The structure is 840 ft (256 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesW Houston Pkwy NB
CrossesUP Railroad
Location1.17 MI S of Will Clayton
RouteCounty Highway 0
CountyHarris County
StateTexas
Coordinates29.96747, -95.16991
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum 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

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+8 approach)
Design loadHS 20
Structure length840 ft (256 m)
Longest span120 ft (36.6 m)
Deck width38 ft (11.6 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,066 (2022)
Projected traffic22,492 by 2042
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was W Houston Pkwy NB over UP Railroad built?

It was built in 1996, making it 29 years old in 2025.

What condition is W Houston Pkwy NB over UP Railroad 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 August 2023.

How much traffic does W Houston Pkwy NB over UP Railroad carry?

About 16,066 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is W Houston Pkwy NB over UP Railroad?

The structure is 840 ft (256 m) long with a longest span of 120 ft (36.6 m) and a deck 38 ft wide.

Who owns W Houston Pkwy NB over UP Railroad?

It is owned by the County Highway Agency.