US Bridges

West Lawther DR over Williamson Branch

Fair

Dallas County, Texas · 0.25 MI SW of Branchfiel · Structure no. 1805709L3970004

Built
1938
87 years old
Condition
Fair
inspected March 2023
Type
Tee Beam
Concrete
Length
27 ft
1 main span
Daily traffic
1,550
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

West Lawther DR over Williamson Branch is a concrete tee beam carrying West Lawther DR over Williamson Branch in Dallas County, Texas. It was built in 1938, so it is 87 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 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 1,550 vehicles a day, roughly 1% of them trucks, projected to reach 1,500 by 2037. The structure is 27 ft (8.2 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWest Lawther DR
CrossesWilliamson Branch
Location0.25 MI SW of Branchfiel
RouteCity Street 0
StateTexas
Coordinates32.83119, -96.73299
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span23 ft (7 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,550 (2019)
Projected traffic1,500 by 2037
Trucks1%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 West Lawther DR over Williamson Branch built?

It was built in 1938, making it 87 years old in 2025.

What condition is West Lawther DR over Williamson Branch 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 March 2023.

How much traffic does West Lawther DR over Williamson Branch carry?

About 1,550 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is West Lawther DR over Williamson Branch?

The structure is 27 ft (8.2 m) long with a longest span of 23 ft (7 m) and a deck 33 ft wide.

Who owns West Lawther DR over Williamson Branch?

It is owned by the City or Municipal Highway Agency.