US Bridges

SH 359 over Drainage Ditch

Good

San Patricio County, Texas · 0.15 MI NE of IH 37 · Structure no. 162050008704023

Built
1937
88 years old, rebuilt 1990
Condition
Good
inspected April 2024
Type
Culvert
Concrete
Length
34 ft
6 main spans
Daily traffic
9,116
2022 count
Owner
State
State Highway Agency

About this bridge

SH 359 over Drainage Ditch is a concrete culvert carrying SH 359 over Drainage Ditch in San Patricio County, Texas. It was built in 1937 and reconstructed in 1990, so it is 88 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 9,116 vehicles a day, roughly 13% of them trucks, projected to reach 16,044 by 2042. The structure is 34 ft (10.4 m) long and 166 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesSH 359
CrossesDrainage Ditch
Location0.15 MI NE of IH 37
RouteState Highway 359
StateTexas
Coordinates28.11396, -97.81538
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
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 geometry9: Superior to present desirable 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
DeckNot applicable
Main spans6
Design loadH 15
Structure length34 ft (10.4 m)
Longest span5 ft (1.5 m)
Deck width166 ft (50.7 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,116 (2022)
Projected traffic16,044 by 2042
Trucks13%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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 Drainage Ditch built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1990.

What condition is SH 359 over Drainage Ditch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

How much traffic does SH 359 over Drainage Ditch carry?

About 9,116 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is SH 359 over Drainage Ditch?

The structure is 34 ft (10.4 m) long with a longest span of 5 ft (1.5 m) and a deck 166 ft wide.

Who owns SH 359 over Drainage Ditch?

It is owned by the State Highway Agency.