US Bridges

Mockingbird Lane over West Lawther DR

Fair

Dallas County, Texas · 0.5 MI W of Buckner Blvd · Structure no. 1805709M6760002

Built
1965
60 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
203 ft
4 main spans
Daily traffic
21,682
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mockingbird Lane over West Lawther DR is a prestressed concrete stringer/multi-beam or girder carrying Mockingbird Lane over West Lawther DR in Dallas County, Texas. It was built in 1965, so it is 60 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 21,682 vehicles a day, projected to reach 30,400 by 2035. The structure is 203 ft (61.9 m) long and 83 ft wide.

Location

Open in Google Maps
CarriesMockingbird Lane
CrossesWest Lawther DR
Location0.5 MI W of Buckner Blvd
RouteCity Street 0
CountyDallas County
StateTexas
Coordinates32.85222, -96.72923
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length203 ft (61.9 m)
Longest span54 ft (16.5 m)
Deck width83 ft (25.3 m)
Roadway width66 ft (20 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,682 (2014)
Projected traffic30,400 by 2035
Trucks0%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$34,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mockingbird Lane over West Lawther DR built?

It was built in 1965, making it 60 years old in 2025.

What condition is Mockingbird Lane over West Lawther DR 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 February 2023.

How much traffic does Mockingbird Lane over West Lawther DR carry?

About 21,682 vehicles per day (2014 count).

How long is Mockingbird Lane over West Lawther DR?

The structure is 203 ft (61.9 m) long with a longest span of 54 ft (16.5 m) and a deck 83 ft wide.

Who owns Mockingbird Lane over West Lawther DR?

It is owned by the City or Municipal Highway Agency.