US Bridges

US 77 Wfr over Drain

Good

San Patricio County, Texas · 0.01 MI S of SH 188 · Structure no. 162050037201013

Built
1979
46 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
31 ft
4 main spans
Daily traffic
1,614
2022 count
Owner
State
State Highway Agency

About this bridge

US 77 Wfr over Drain is a concrete culvert carrying US 77 Wfr over Drain in San Patricio County, Texas. It was built in 1979, so it is 46 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 1,614 vehicles a day, roughly 25% of them trucks, projected to reach 24,580 by 2025. The structure is 31 ft (9.4 m) long and 51 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 77 Wfr
CrossesDrain
Location0.01 MI S of SH 188
RouteU.S. Route 77
StateTexas
Coordinates28.03765, -97.53133
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
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than 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 spans4
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span7 ft (2.1 m)
Deck width51 ft (15.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,614 (2022)
Projected traffic24,580 by 2025
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 US 77 Wfr over Drain built?

It was built in 1979, making it 46 years old in 2025.

What condition is US 77 Wfr 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 US 77 Wfr over Drain carry?

About 1,614 vehicles per day (2022 count), of which roughly 25% are trucks.

How long is US 77 Wfr over Drain?

The structure is 31 ft (9.4 m) long with a longest span of 7 ft (2.1 m) and a deck 51 ft wide.

Who owns US 77 Wfr over Drain?

It is owned by the State Highway Agency.