US Bridges

SH 12 over Sabine River Slough

Fair

Newton County, Texas · 1.45 MI SW Louisiana S/L · Structure no. 201760049902020

Built
1995
30 years old
Condition
Fair
inspected May 2024
Type
Other
Concrete
Length
90 ft
3 main spans
Daily traffic
4,379
2022 count
Owner
State
State Highway Agency

About this bridge

SH 12 over Sabine River Slough is a concrete other carrying SH 12 over Sabine River Slough in Newton County, Texas. It was built in 1995, so it is 30 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 4,379 vehicles a day, roughly 10% of them trucks, projected to reach 6,131 by 2042. The structure is 90 ft (27.4 m) long and 54 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesSH 12
CrossesSabine River Slough
Location1.45 MI SW Louisiana S/L
RouteState Highway 12
StateTexas
Coordinates30.29128, -93.76322
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeOther
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span30 ft (9.1 m)
Deck width54 ft (16.5 m)
Roadway width51 ft (15.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,379 (2022)
Projected traffic6,131 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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 SH 12 over Sabine River Slough built?

It was built in 1995, making it 30 years old in 2025.

What condition is SH 12 over Sabine River Slough 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 2024.

How much traffic does SH 12 over Sabine River Slough carry?

About 4,379 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is SH 12 over Sabine River Slough?

The structure is 90 ft (27.4 m) long with a longest span of 30 ft (9.1 m) and a deck 54 ft wide.

Who owns SH 12 over Sabine River Slough?

It is owned by the State Highway Agency.