US Bridges

SH 78 over Pot Rack Creek

Fair

Collin County, Texas · 2.60 MI N of FM 2756 · Structure no. 180430028002034

Built
1979
46 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
166 ft
5 main spans
Daily traffic
5,114
2022 count
Owner
State
State Highway Agency

About this bridge

SH 78 over Pot Rack Creek is a concrete stringer/multi-beam or girder carrying SH 78 over Pot Rack Creek in Collin County, Texas. It was built in 1979, so it is 46 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 5,114 vehicles a day, roughly 19% of them trucks, projected to reach 4,520 by 2033. The structure is 166 ft (50.6 m) long and 42 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesSH 78
CrossesPot Rack Creek
Location2.60 MI N of FM 2756
RouteState Highway 78
StateTexas
Coordinates33.25016, -96.37777
Functional classRural 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
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 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 spans5
Design loadHS 20
Structure length166 ft (50.6 m)
Longest span33 ft (10.1 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,114 (2022)
Projected traffic4,520 by 2033
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 Pot Rack Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is SH 78 over Pot Rack 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 SH 78 over Pot Rack Creek carry?

About 5,114 vehicles per day (2022 count), of which roughly 19% are trucks.

How long is SH 78 over Pot Rack Creek?

The structure is 166 ft (50.6 m) long with a longest span of 33 ft (10.1 m) and a deck 42 ft wide.

Who owns SH 78 over Pot Rack Creek?

It is owned by the State Highway Agency.