US Bridges

SH 339 over Santa Gertrudis CR

Fair

Duval County, Texas · 0.90 MI S of SH 359 · Structure no. 220670062302004

Built
1939
86 years old
Condition
Fair
inspected September 2023
Type
Tee Beam
Concrete
Length
35 ft
1 main span
Daily traffic
438
2020 count
Owner
State
State Highway Agency

About this bridge

SH 339 over Santa Gertrudis CR is a concrete tee beam carrying SH 339 over Santa Gertrudis CR in Duval County, Texas. It was built in 1939, so it is 86 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 438 vehicles a day, roughly 18% of them trucks, projected to reach 770 by 2033. The structure is 35 ft (10.7 m) long and 26 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

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CarriesSH 339
CrossesSanta Gertrudis CR
Location0.90 MI S of SH 359
RouteState Highway 339
CountyDuval County
StateTexas
Coordinates27.58629, -98.40835
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length35 ft (10.7 m)
Longest span34 ft (10.4 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic438 (2020)
Projected traffic770 by 2033
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 SH 339 over Santa Gertrudis CR built?

It was built in 1939, making it 86 years old in 2025.

What condition is SH 339 over Santa Gertrudis CR 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 September 2023.

How much traffic does SH 339 over Santa Gertrudis CR carry?

About 438 vehicles per day (2020 count), of which roughly 18% are trucks.

How long is SH 339 over Santa Gertrudis CR?

The structure is 35 ft (10.7 m) long with a longest span of 34 ft (10.4 m) and a deck 26 ft wide.

Who owns SH 339 over Santa Gertrudis CR?

It is owned by the State Highway Agency.