US Bridges

Luna RD over Farmers Branch

Fair

Dallas County, Texas · 0.2 MI S of IH 635 · Structure no. 180570G00760002

Built
1987
38 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
280 ft
4 main spans
Daily traffic
15,014
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Luna RD over Farmers Branch is a prestressed concrete stringer/multi-beam or girder carrying Luna RD over Farmers Branch in Dallas County, Texas. It was built in 1987, so it is 38 years old, younger 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 15,014 vehicles a day, projected to reach 10,000 by 2031. The structure is 280 ft (85.3 m) long and 126 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesLuna RD
CrossesFarmers Branch
Location0.2 MI S of IH 635
RouteCity Street 0
CountyDallas County
StateTexas
Coordinates32.90518, -96.91925
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length280 ft (85.3 m)
Longest span70 ft (21.3 m)
Deck width126 ft (38.4 m)
Roadway width88 ft (26.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,014 (2019)
Projected traffic10,000 by 2031
Trucks0%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Luna RD over Farmers Branch built?

It was built in 1987, making it 38 years old in 2025.

What condition is Luna RD over Farmers 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 Luna RD over Farmers Branch carry?

About 15,014 vehicles per day (2019 count).

How long is Luna RD over Farmers Branch?

The structure is 280 ft (85.3 m) long with a longest span of 70 ft (21.3 m) and a deck 126 ft wide.

Who owns Luna RD over Farmers Branch?

It is owned by the City or Municipal Highway Agency.