US Bridges

SH 188 over Drain

Good

San Patricio County, Texas · 0.03 MI E of US 77 · Structure no. 162050099401018

Built
1991
34 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
38 ft
4 main spans
Daily traffic
4,689
2022 count
Owner
State
State Highway Agency

About this bridge

SH 188 over Drain is a concrete culvert carrying SH 188 over Drain in San Patricio County, Texas. It was built in 1991, so it is 34 years old, younger 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 4,689 vehicles a day, roughly 5% of them trucks, projected to reach 6,565 by 2042. The structure is 38 ft (11.6 m) long and 114 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 188
CrossesDrain
Location0.03 MI E of US 77
RouteState Highway 188
StateTexas
Coordinates28.03748, -97.53024
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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span8 ft (2.5 m)
Deck width114 ft (34.6 m)
Roadway width70 ft (21.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,689 (2022)
Projected traffic6,565 by 2042
Trucks5%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 188 over Drain built?

It was built in 1991, making it 34 years old in 2025.

What condition is SH 188 over Drain 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 March 2024.

How much traffic does SH 188 over Drain carry?

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

How long is SH 188 over Drain?

The structure is 38 ft (11.6 m) long with a longest span of 8 ft (2.5 m) and a deck 114 ft wide.

Who owns SH 188 over Drain?

It is owned by the State Highway Agency.