US Bridges

SH 78 (garland Rd) over White Rock Creek

Fair

Dallas County, Texas · 2.04 MI NE of IH 30 · Structure no. 180570000902315

Built
1970
55 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
267 ft
5 main spans
Daily traffic
32,019
2022 count
Owner
State
State Highway Agency

About this bridge

SH 78 (garland Rd) over White Rock Creek is a concrete stringer/multi-beam or girder carrying SH 78 (garland Rd) over White Rock Creek in Dallas County, Texas. It was built in 1970, so it is 55 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 32,019 vehicles a day, roughly 7% of them trucks, projected to reach 47,300 by 2033. The structure is 267 ft (81.4 m) long and 91 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSH 78 (garland Rd)
CrossesWhite Rock Creek
Location2.04 MI NE of IH 30
RouteState Highway 78
CountyDallas County
StateTexas
Coordinates32.81315, -96.7262
Functional classUrban Other Principal 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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating29 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5 (+2 approach)
Design loadH 20
Structure length267 ft (81.4 m)
Longest span41 ft (12.5 m)
Deck width91 ft (27.6 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,019 (2022)
Projected traffic47,300 by 2033
Trucks7%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState 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$44,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 78 (garland Rd) over White Rock Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is SH 78 (garland Rd) over White Rock 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 December 2023.

How much traffic does SH 78 (garland Rd) over White Rock Creek carry?

About 32,019 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is SH 78 (garland Rd) over White Rock Creek?

The structure is 267 ft (81.4 m) long with a longest span of 41 ft (12.5 m) and a deck 91 ft wide.

Who owns SH 78 (garland Rd) over White Rock Creek?

It is owned by the State Highway Agency and maintained by the City or Municipal Highway Agency.