US Bridges

SH 12 over Sabine River

Fair

Newton County, Texas · 0.0 MI SW of Louisiana Sl · Structure no. 201760049901001

Built
1936
89 years old
Condition
Fair
inspected May 2024
Type
Movable - Swing
Steel
Length
327 ft
2 main spans
Daily traffic
3,213
2024 count
Owner
State
State Highway Agency

About this bridge

SH 12 over Sabine River is a steel movable - swing carrying SH 12 over Sabine River in Newton County, Texas. It was built in 1936, so it is 89 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 5 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 3,213 vehicles a day, roughly 12% of them trucks, projected to reach 4,668 by 2042. The structure is 327 ft (99.7 m) long and 28 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

Location

Open in Google Maps
CarriesSH 12
CrossesSabine River
Location0.0 MI SW of Louisiana Sl
RouteState Highway 12
CountyNewton County
StateTexas
Coordinates30.3038, -93.7436
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating34 US tons

Structure

Structure typeMovable - Swing
MaterialSteel
DeckConcrete, cast-in-place
Main spans2 (+4 approach)
Design loadH 15
Structure length327 ft (99.7 m)
Longest span80 ft (24.4 m)
Deck width28 ft (8.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,213 (2024)
Projected traffic4,668 by 2042
Trucks12%
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 NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$20,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 12 over Sabine River built?

It was built in 1936, making it 89 years old in 2025.

What condition is SH 12 over Sabine 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 2024.

How much traffic does SH 12 over Sabine River carry?

About 3,213 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is SH 12 over Sabine River?

The structure is 327 ft (99.7 m) long with a longest span of 80 ft (24.4 m) and a deck 28 ft wide.

Who owns SH 12 over Sabine River?

It is owned by the State Highway Agency.