US Bridges

Blackburn ST over Turtle Creek

Fair

Dallas County, Texas · 30 SE of Turtle Crk Blvd · Structure no. 1805709B4010001

Built
1930
95 years old
Condition
Fair
inspected May 2023
Type
Arch - Deck
Concrete
Length
33 ft
1 main span
Daily traffic
11,529
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

Blackburn ST over Turtle Creek is a concrete arch - deck carrying Blackburn ST over Turtle Creek in Dallas County, Texas. It was built in 1930, so it is 95 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 11,529 vehicles a day, roughly 3% of them trucks, projected to reach 16,140 by 2037. The structure is 33 ft (10.1 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBlackburn ST
CrossesTurtle Creek
Location30 SE of Turtle Crk Blvd
RouteCity Street 0
StateTexas
Coordinates32.81297, -96.80065
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
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 length33 ft (10.1 m)
Longest span30 ft (9.1 m)
Deck width50 ft (15.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,529 (2015)
Projected traffic16,140 by 2037
Trucks3%
Lanes on structure3
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$3,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Blackburn ST over Turtle Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is Blackburn ST 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 Blackburn ST over Turtle Creek carry?

About 11,529 vehicles per day (2015 count), of which roughly 3% are trucks.

How long is Blackburn ST over Turtle Creek?

The structure is 33 ft (10.1 m) long with a longest span of 30 ft (9.1 m) and a deck 50 ft wide.

Who owns Blackburn ST over Turtle Creek?

It is owned by the City or Municipal Highway Agency.