US Bridges

Sir William DR over Theiss Gully

Fair

Harris County, Texas · 0.30 MI S of Louetta RD · Structure no. 121020AA1445001

Built
1978
47 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
143 ft
3 main spans
Daily traffic
2,870
2013 count
Owner
County
County Highway Agency

About this bridge

Sir William DR over Theiss Gully is a prestressed concrete box beam or girders - multiple carrying Sir William DR over Theiss Gully in Harris County, Texas. It was built in 1978, so it is 47 years old, older 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 2,870 vehicles a day, roughly 2% of them trucks, projected to reach 4,500 by 2033. The structure is 143 ft (43.6 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSir William DR
CrossesTheiss Gully
Location0.30 MI S of Louetta RD
RouteCounty Highway 0
CountyHarris County
StateTexas
Coordinates30.02067, -95.51531
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length143 ft (43.6 m)
Longest span47 ft (14.3 m)
Deck width34 ft (10.4 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,870 (2013)
Projected traffic4,500 by 2033
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$10,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Sir William DR over Theiss Gully built?

It was built in 1978, making it 47 years old in 2025.

What condition is Sir William DR over Theiss Gully 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 September 2023.

How much traffic does Sir William DR over Theiss Gully carry?

About 2,870 vehicles per day (2013 count), of which roughly 2% are trucks.

How long is Sir William DR over Theiss Gully?

The structure is 143 ft (43.6 m) long with a longest span of 47 ft (14.3 m) and a deck 34 ft wide.

Who owns Sir William DR over Theiss Gully?

It is owned by the County Highway Agency.