US Bridges

US 281 SB over Slough B

Fair

Live Oak County, Texas · 0.7 MI S of SH 72 · Structure no. 161490025401040

Built
1958
67 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
182 ft
6 main spans
Daily traffic
5,067
2020 count
Owner
State
State Highway Agency

About this bridge

US 281 SB over Slough B is a concrete stringer/multi-beam or girder carrying US 281 SB over Slough B in Live Oak County, Texas. It was built in 1958, so it is 67 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 5,067 vehicles a day, roughly 34% of them trucks, projected to reach 9,280 by 2033. The structure is 182 ft (55.5 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 281 SB
CrossesSlough B
Location0.7 MI S of SH 72
RouteU.S. Route 281
CountyLive Oak County
StateTexas
Coordinates28.45064, -98.18331
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadH 20
Structure length182 ft (55.5 m)
Longest span30 ft (9.1 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,067 (2020)
Projected traffic9,280 by 2033
Trucks34%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRelief for waterway
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 Slough B built?

It was built in 1958, making it 67 years old in 2025.

What condition is US 281 SB over Slough B 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 281 SB over Slough B carry?

About 5,067 vehicles per day (2020 count), of which roughly 34% are trucks.

How long is US 281 SB over Slough B?

The structure is 182 ft (55.5 m) long with a longest span of 30 ft (9.1 m) and a deck 31 ft wide.

Who owns US 281 SB over Slough B?

It is owned by the State Highway Agency.