US Bridges

SH 359 over Sixmile Creek

Fair

San Patricio County, Texas · 1.35 MI SW of FM 666 · Structure no. 162050008703015

Built
1932
93 years old, rebuilt 1955
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
49 ft
7 main spans
Daily traffic
5,325
2022 count
Owner
State
State Highway Agency

About this bridge

SH 359 over Sixmile Creek is a concrete culvert carrying SH 359 over Sixmile Creek in San Patricio County, Texas. It was built in 1932 and reconstructed in 1955, so it is 93 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 5,325 vehicles a day, roughly 9% of them trucks, projected to reach 7,455 by 2042. The structure is 49 ft (14.9 m) long and 45 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSH 359
CrossesSixmile Creek
Location1.35 MI SW of FM 666
RouteState Highway 359
CountySan Patricio County
StateTexas
Coordinates28.07428, -97.83585
Functional classRural Minor Arterial

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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadH 15
Structure length49 ft (14.9 m)
Longest span6 ft (1.8 m)
Deck width45 ft (13.8 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,325 (2022)
Projected traffic7,455 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 359 over Sixmile Creek built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1955.

What condition is SH 359 over Sixmile 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 April 2024.

How much traffic does SH 359 over Sixmile Creek carry?

About 5,325 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is SH 359 over Sixmile Creek?

The structure is 49 ft (14.9 m) long with a longest span of 6 ft (1.8 m) and a deck 45 ft wide.

Who owns SH 359 over Sixmile Creek?

It is owned by the State Highway Agency.