US Bridges

US 59 over Salt Branch

Fair

Live Oak County, Texas · 1.8 MI NE of FM 1359 · Structure no. 161490054206037

Built
1950
75 years old, rebuilt 1988
Condition
Fair
inspected January 2024
Type
Slab
Concrete Continuous
Length
80 ft
3 main spans
Daily traffic
2,133
2020 count
Owner
State
State Highway Agency

About this bridge

US 59 over Salt Branch is a concrete continuous slab carrying US 59 over Salt Branch in Live Oak County, Texas. It was built in 1950 and reconstructed in 1988, so it is 75 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 2,133 vehicles a day, roughly 31% of them trucks, projected to reach 3,700 by 2033. The structure is 80 ft (24.4 m) long and 46 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesUS 59
CrossesSalt Branch
Location1.8 MI NE of FM 1359
RouteU.S. Route 59
StateTexas
Coordinates28.1731, -98.2659
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
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 rating47 US tons
Inventory rating28 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length80 ft (24.4 m)
Longest span30 ft (9.1 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,133 (2020)
Projected traffic3,700 by 2033
Trucks31%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemYes

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 59 over Salt Branch built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1988.

What condition is US 59 over Salt Branch 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 January 2024.

How much traffic does US 59 over Salt Branch carry?

About 2,133 vehicles per day (2020 count), of which roughly 31% are trucks.

How long is US 59 over Salt Branch?

The structure is 80 ft (24.4 m) long with a longest span of 30 ft (9.1 m) and a deck 46 ft wide.

Who owns US 59 over Salt Branch?

It is owned by the State Highway Agency.