US Bridges

US 380 over Post Oak Creek

Good

Young County, Texas · 4.0 MI E of FM 578 · Structure no. 032520036102016

Built
1973
52 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
91 ft
3 main spans
Daily traffic
833
2020 count
Owner
State
State Highway Agency

About this bridge

US 380 over Post Oak Creek is a concrete stringer/multi-beam or girder carrying US 380 over Post Oak Creek in Young County, Texas. It was built in 1973, so it is 52 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 833 vehicles a day, roughly 26% of them trucks, projected to reach 1,166 by 2040. The structure is 91 ft (27.7 m) long and 42 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesUS 380
CrossesPost Oak Creek
Location4.0 MI E of FM 578
RouteU.S. Route 380
StateTexas
Coordinates33.17533, -98.80443
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
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 length91 ft (27.7 m)
Longest span30 ft (9.1 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic833 (2020)
Projected traffic1,166 by 2040
Trucks26%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 380 over Post Oak Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is US 380 over Post Oak 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 US 380 over Post Oak Creek carry?

About 833 vehicles per day (2020 count), of which roughly 26% are trucks.

How long is US 380 over Post Oak Creek?

The structure is 91 ft (27.7 m) long with a longest span of 30 ft (9.1 m) and a deck 42 ft wide.

Who owns US 380 over Post Oak Creek?

It is owned by the State Highway Agency.