US Bridges

US 380 over Brazos River

Fair

Young County, Texas · US 380 at Brazos River · Structure no. 032520036102017

Built
1988
37 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,240 ft
3 main spans
Daily traffic
833
2020 count
Owner
State
State Highway Agency

About this bridge

US 380 over Brazos River is a prestressed concrete stringer/multi-beam or girder carrying US 380 over Brazos River in Young County, Texas. It was built in 1988, so it is 37 years old, younger 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 833 vehicles a day, roughly 26% of them trucks, projected to reach 1,166 by 2040. The structure is 1,240 ft (378 m) long and 46 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesUS 380
CrossesBrazos River
LocationUS 380 at Brazos River
RouteU.S. Route 380
StateTexas
Coordinates33.17609, -98.75571
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.
Superstructure8 Very GoodNo problems noted.
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; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3 (+10 approach)
Design loadHS 20
Structure length1,240 ft (378 m)
Longest span130 ft (39.6 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.5 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 closed24.9 mi (40 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 US 380 over Brazos River built?

It was built in 1988, making it 37 years old in 2025.

What condition is US 380 over Brazos River 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 September 2023.

How much traffic does US 380 over Brazos River carry?

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

How long is US 380 over Brazos River?

The structure is 1,240 ft (378 m) long with a longest span of 130 ft (39.6 m) and a deck 46 ft wide.

Who owns US 380 over Brazos River?

It is owned by the State Highway Agency.