US Bridges

FM 71 over Old South Sulphur River

Fair

Hopkins County, Texas · 1.05 MI NW of FM 3134 · Structure no. 011130146603001

Built
1963
62 years old
Condition
Fair
inspected January 2025
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
305
2019 count
Owner
State
State Highway Agency

About this bridge

FM 71 over Old South Sulphur River is a concrete culvert carrying FM 71 over Old South Sulphur River in Hopkins County, Texas. It was built in 1963, so it is 62 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 305 vehicles a day, roughly 14% of them trucks, projected to reach 372 by 2039. The structure is 23 ft (6.9 m) long and 41 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesFM 71
CrossesOld South Sulphur River
Location1.05 MI NW of FM 3134
RouteState Highway 71
StateTexas
Coordinates33.25328, -95.79679
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length23 ft (6.9 m)
Longest span10 ft (3.2 m)
Deck width41 ft (12.6 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic305 (2019)
Projected traffic372 by 2039
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 km)
TollOn a free road
National Highway SystemNo

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 FM 71 over Old South Sulphur River built?

It was built in 1963, making it 62 years old in 2025.

What condition is FM 71 over Old South Sulphur 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 January 2025.

How much traffic does FM 71 over Old South Sulphur River carry?

About 305 vehicles per day (2019 count), of which roughly 14% are trucks.

How long is FM 71 over Old South Sulphur River?

The structure is 23 ft (6.9 m) long with a longest span of 10 ft (3.2 m) and a deck 41 ft wide.

Who owns FM 71 over Old South Sulphur River?

It is owned by the State Highway Agency.