US Bridges

US 380 over Salt Fork Brazos River

Fair

Kent County, Texas · 0.6 MI SW of FM 1083 · Structure no. 081320026301023

Built
1978
47 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
842 ft
12 main spans
Daily traffic
400
2020 count
Owner
State
State Highway Agency

About this bridge

US 380 over Salt Fork Brazos River is a prestressed concrete stringer/multi-beam or girder carrying US 380 over Salt Fork Brazos River in Kent County, Texas. It was built in 1978, so it is 47 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 400 vehicles a day, roughly 21% of them trucks, projected to reach 780 by 2033. The structure is 842 ft (256.6 m) long and 42 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

CarriesUS 380
CrossesSalt Fork Brazos River
Location0.6 MI SW of FM 1083
RouteU.S. Route 380
StateTexas
Coordinates33.16751, -100.63182
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 geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum 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 spans12
Design loadHS 20
Structure length842 ft (256.6 m)
Longest span70 ft (21.3 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2020)
Projected traffic780 by 2033
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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 Salt Fork Brazos River built?

It was built in 1978, making it 47 years old in 2025.

What condition is US 380 over Salt Fork 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 May 2023.

How much traffic does US 380 over Salt Fork Brazos River carry?

About 400 vehicles per day (2020 count), of which roughly 21% are trucks.

How long is US 380 over Salt Fork Brazos River?

The structure is 842 ft (256.6 m) long with a longest span of 70 ft (21.3 m) and a deck 42 ft wide.

Who owns US 380 over Salt Fork Brazos River?

It is owned by the State Highway Agency.