US Bridges

SH 78 over Desert Creek

Good

Collin County, Texas · 0.85 MI S of FM 981 · Structure no. 180430028002041

Built
1980
45 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
171 ft
4 main spans
Daily traffic
5,923
2023 count
Owner
State
State Highway Agency

About this bridge

SH 78 over Desert Creek is a concrete stringer/multi-beam or girder carrying SH 78 over Desert Creek in Collin County, Texas. It was built in 1980, so it is 45 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,923 vehicles a day, roughly 19% of them trucks, projected to reach 3,680 by 2033. The structure is 171 ft (52.1 m) long and 42 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSH 78
CrossesDesert Creek
Location0.85 MI S of FM 981
RouteState Highway 78
StateTexas
Coordinates33.29356, -96.3918
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
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 evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length171 ft (52.1 m)
Longest span42 ft (12.8 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,923 (2023)
Projected traffic3,680 by 2033
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SH 78 over Desert Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is SH 78 over Desert Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.

How much traffic does SH 78 over Desert Creek carry?

About 5,923 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is SH 78 over Desert Creek?

The structure is 171 ft (52.1 m) long with a longest span of 42 ft (12.8 m) and a deck 42 ft wide.

Who owns SH 78 over Desert Creek?

It is owned by the State Highway Agency.