US Bridges

Mockingbird Lane over Turtle Creek

Fair

Dallas County, Texas · 0.2 MI E of Preston RD · Structure no. 1805709HP480001

Built
1923
102 years old
Condition
Fair
inspected May 2023
Type
Arch - Deck
Concrete
Length
58 ft
1 main span
Daily traffic
15,348
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mockingbird Lane over Turtle Creek is a concrete arch - deck carrying Mockingbird Lane over Turtle Creek in Dallas County, Texas. It was built in 1923, so it is 102 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 15,348 vehicles a day, roughly 3% of them trucks, projected to reach 21,487 by 2041. The structure is 58 ft (17.7 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMockingbird Lane
CrossesTurtle Creek
Location0.2 MI E of Preston RD
RouteCity Street 0
StateTexas
Coordinates32.83659, -96.80072
Functional classUrban Minor Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 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 typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length58 ft (17.7 m)
Longest span56 ft (17.1 m)
Deck width44 ft (13.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,348 (2019)
Projected traffic21,487 by 2041
Trucks3%
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 statusEligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$4,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Mockingbird Lane over Turtle Creek built?

It was built in 1923, making it 102 years old in 2025.

What condition is Mockingbird Lane over Turtle 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 May 2023.

How much traffic does Mockingbird Lane over Turtle Creek carry?

About 15,348 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is Mockingbird Lane over Turtle Creek?

The structure is 58 ft (17.7 m) long with a longest span of 56 ft (17.1 m) and a deck 44 ft wide.

Who owns Mockingbird Lane over Turtle Creek?

It is owned by the City or Municipal Highway Agency.