US Bridges

US 281 SB over Salt Branch

Good

Live Oak County, Texas · 3.1 MI S of FM 1042 · Structure no. 161490025401047

Built
1962
63 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
160 ft
4 main spans
Daily traffic
4,932
2020 count
Owner
State
State Highway Agency

About this bridge

US 281 SB over Salt Branch is a concrete stringer/multi-beam or girder carrying US 281 SB over Salt Branch in Live Oak County, Texas. It was built in 1962, so it is 63 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 4,932 vehicles a day, roughly 34% of them trucks, projected to reach 8,990 by 2033. The structure is 160 ft (48.8 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 281 SB
CrossesSalt Branch
Location3.1 MI S of FM 1042
RouteU.S. Route 281
StateTexas
Coordinates28.37692, -98.15215
Functional classRural Principal Arterial - Other

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.
Substructure7 GoodSome minor problems.
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 evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating33 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length160 ft (48.8 m)
Longest span40 ft (12.2 m)
Deck width40 ft (12.1 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,932 (2020)
Projected traffic8,990 by 2033
Trucks34%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 281 SB over Salt Branch built?

It was built in 1962, making it 63 years old in 2025.

What condition is US 281 SB over Salt Branch 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 January 2024.

How much traffic does US 281 SB over Salt Branch carry?

About 4,932 vehicles per day (2020 count), of which roughly 34% are trucks.

How long is US 281 SB over Salt Branch?

The structure is 160 ft (48.8 m) long with a longest span of 40 ft (12.2 m) and a deck 40 ft wide.

Who owns US 281 SB over Salt Branch?

It is owned by the State Highway Agency.