US Bridges

Thompson Lake DR over Oyster Creek

Fair

Fort Bend County, Texas · .5 MI SW of Sienna Point · Structure no. 120800AA0560001

Built
1999
26 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
141 ft
3 main spans
Daily traffic
100
2010 count
Owner
County
County Highway Agency

About this bridge

Thompson Lake DR over Oyster Creek is a prestressed concrete box beam or girders - multiple carrying Thompson Lake DR over Oyster Creek 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 fair condition with a lowest component rating of 6 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 100 vehicles a day, projected to reach 250 by 2027. The structure is 141 ft (43 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesThompson Lake DR
CrossesOyster Creek
Location.5 MI SW of Sienna Point
RouteCounty Highway 0
StateTexas
Coordinates29.46372, -95.47998
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length141 ft (43 m)
Longest span50 ft (15.2 m)
Deck width40 ft (12.3 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2010)
Projected traffic250 by 2027
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Thompson Lake DR over Oyster Creek built?

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

What condition is Thompson Lake DR over Oyster Creek 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 October 2023.

How much traffic does Thompson Lake DR over Oyster Creek carry?

About 100 vehicles per day (2010 count).

How long is Thompson Lake DR over Oyster Creek?

The structure is 141 ft (43 m) long with a longest span of 50 ft (15.2 m) and a deck 40 ft wide.

Who owns Thompson Lake DR over Oyster Creek?

It is owned by the County Highway Agency.