US Bridges

SH 78 over Desert Creek

Good

Collin County, Texas · 0.15 MI E of SH 160 · Structure no. 180430028002042

Built
1986
39 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
120 ft
3 main spans
Daily traffic
3,368
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 1986, so it is 39 years old, younger 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 3,368 vehicles a day, roughly 21% of them trucks, projected to reach 3,410 by 2037. The structure is 120 ft (36.6 m) long and 42 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesSH 78
CrossesDesert Creek
Location0.15 MI E of SH 160
RouteState Highway 78
StateTexas
Coordinates33.37641, -96.39593
Functional classRural Major Collector

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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 spans3
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,368 (2023)
Projected traffic3,410 by 2037
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 1986, making it 39 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 September 2023.

How much traffic does SH 78 over Desert Creek carry?

About 3,368 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is SH 78 over Desert Creek?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 42 ft wide.

Who owns SH 78 over Desert Creek?

It is owned by the State Highway Agency.