US Bridges

FM 1378 over South White Rock Creek

Good

Collin County, Texas · 0.45 MI N of FM 2170 · Structure no. 180430139201004

Built
1953
72 years old, rebuilt 2021
Condition
Good
inspected December 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
11,089
2022 count
Owner
State
State Highway Agency

About this bridge

FM 1378 over South White Rock Creek is a concrete culvert carrying FM 1378 over South White Rock Creek in Collin County, Texas. It was built in 1953 and reconstructed in 2021, so it is 72 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 11,089 vehicles a day, roughly 2% of them trucks, projected to reach 11,554 by 2040. The structure is 22 ft (6.7 m) long and 43 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesFM 1378
CrossesSouth White Rock Creek
Location0.45 MI N of FM 2170
RouteState Highway 1378
CountyCollin County
StateTexas
Coordinates33.10691, -96.59669
Functional classUrban 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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width43 ft (13.2 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,089 (2022)
Projected traffic11,554 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 1378 over South White Rock Creek built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 2021.

What condition is FM 1378 over South White Rock 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 December 2023.

How much traffic does FM 1378 over South White Rock Creek carry?

About 11,089 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is FM 1378 over South White Rock Creek?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 43 ft wide.

Who owns FM 1378 over South White Rock Creek?

It is owned by the State Highway Agency.