US Bridges

Westheimer Pkwy EB over Drainage Ditch

Good

Fort Bend County, Texas · 0.5 MI W of SH 99 · Structure no. 120800AA1180001

Built
1999
26 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
109 ft
3 main spans
Daily traffic
2,000
2011 count
Owner
County
County Highway Agency

About this bridge

Westheimer Pkwy EB over Drainage Ditch is a prestressed concrete box beam or girders - multiple carrying Westheimer Pkwy EB over Drainage Ditch in Fort Bend County, Texas. It was built in 1999, so it is 26 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 2,000 vehicles a day, projected to reach 2,000 by 2031. The structure is 109 ft (33.2 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesWestheimer Pkwy EB
CrossesDrainage Ditch
Location0.5 MI W of SH 99
RouteCounty Highway 0
CountyFort Bend County
StateTexas
Coordinates29.73925, -95.78387
Functional classRural Local

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length109 ft (33.2 m)
Longest span36 ft (11 m)
Deck width35 ft (10.7 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2011)
Projected traffic2,000 by 2031
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$6,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Westheimer Pkwy EB over Drainage Ditch built?

It was built in 1999, making it 26 years old in 2025.

What condition is Westheimer Pkwy EB over Drainage Ditch 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 2023.

How much traffic does Westheimer Pkwy EB over Drainage Ditch carry?

About 2,000 vehicles per day (2011 count).

How long is Westheimer Pkwy EB over Drainage Ditch?

The structure is 109 ft (33.2 m) long with a longest span of 36 ft (11 m) and a deck 35 ft wide.

Who owns Westheimer Pkwy EB over Drainage Ditch?

It is owned by the County Highway Agency.