US Bridges

Fdr 105 over S. Prong Big Sandy Creek

Fair

Sabine County, Texas · 0.1 MI E of SH87 · Structure no. 081307000003043

Built
1968
57 years old
Condition
Fair
inspected May 2023
Type
Tee Beam
Prestressed Concrete
Length
80 ft
2 main spans
Daily traffic
50
1991 count
Owner
Federal
U.S. Forest Service

About this bridge

Fdr 105 over S. Prong Big Sandy Creek is a prestressed concrete tee beam carrying Fdr 105 over S. Prong Big Sandy Creek in Sabine County, Texas. It was built in 1968, so it is 57 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 50 vehicles a day, projected to reach 50 by 2045. The structure is 80 ft (24.4 m) long and 25 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesFdr 105
CrossesS. Prong Big Sandy Creek
Location0.1 MI E of SH87
RouteFederal Lands Road 105
StateTexas
Coordinates31.20171, -93.73644
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadUnknown
Structure length80 ft (24.4 m)
Longest span40 ft (12.2 m)
Deck width25 ft (7.6 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (1991)
Projected traffic50 by 2045
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$192 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Fdr 105 over S. Prong Big Sandy Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is Fdr 105 over S. Prong Big Sandy Creek 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 2023.

How much traffic does Fdr 105 over S. Prong Big Sandy Creek carry?

About 50 vehicles per day (1991 count).

How long is Fdr 105 over S. Prong Big Sandy Creek?

The structure is 80 ft (24.4 m) long with a longest span of 40 ft (12.2 m) and a deck 25 ft wide.

Who owns Fdr 105 over S. Prong Big Sandy Creek?

It is owned by the U.S. Forest Service.