US Bridges

SH 188 over Drainage Ditch

Fair

San Patricio County, Texas · 0.50 MI E of US 77 · Structure no. 162050099401007

Built
1930
95 years old, rebuilt 1987
Condition
Fair
inspected March 2024
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
4,689
2022 count
Owner
State
State Highway Agency

About this bridge

SH 188 over Drainage Ditch is a concrete culvert carrying SH 188 over Drainage Ditch in San Patricio County, Texas. It was built in 1930 and reconstructed in 1987, so it is 95 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 4,689 vehicles a day, roughly 5% of them trucks, projected to reach 6,565 by 2042. The structure is 31 ft (9.4 m) long and 81 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesSH 188
CrossesDrainage Ditch
Location0.50 MI E of US 77
RouteState Highway 188
CountySan Patricio County
StateTexas
Coordinates28.03674, -97.52224
Functional classUrban 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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span10 ft (3 m)
Deck width81 ft (24.8 m)
Roadway width63 ft (19.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,689 (2022)
Projected traffic6,565 by 2042
Trucks5%
Lanes on structure4
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 188 over Drainage Ditch built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1987.

What condition is SH 188 over Drainage Ditch 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 March 2024.

How much traffic does SH 188 over Drainage Ditch carry?

About 4,689 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is SH 188 over Drainage Ditch?

The structure is 31 ft (9.4 m) long with a longest span of 10 ft (3 m) and a deck 81 ft wide.

Who owns SH 188 over Drainage Ditch?

It is owned by the State Highway Agency.