US Bridges

US 77 Sbfr over Drainage Ditch

Good

San Patricio County, Texas · 0.01 MI SW of Bu 77 · Structure no. 162050037104102

Built
2017
8 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
34 ft
4 main spans
Daily traffic
6,650
2015 count
Owner
State
State Highway Agency

About this bridge

US 77 Sbfr over Drainage Ditch is a concrete culvert carrying US 77 Sbfr over Drainage Ditch in San Patricio County, Texas. It was built in 2017, so it is 8 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 6,650 vehicles a day, roughly 28% of them trucks, projected to reach 1 by 1900. The structure is 34 ft (10.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 77 Sbfr
CrossesDrainage Ditch
Location0.01 MI SW of Bu 77
RouteU.S. Route 77
StateTexas
Coordinates28.06606, -97.49276
Functional classRural Principal Arterial - Other

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 evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHL 93
Structure length34 ft (10.4 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,650 (2015)
Projected traffic1 by 1900
Trucks28%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo
Strategic Highway NetworkNon-Interstate STRAHNET route

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 Sbfr over Drainage Ditch built?

It was built in 2017, making it 8 years old in 2025.

What condition is US 77 Sbfr 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 March 2024.

How much traffic does US 77 Sbfr over Drainage Ditch carry?

About 6,650 vehicles per day (2015 count), of which roughly 28% are trucks.

How long is US 77 Sbfr over Drainage Ditch?

The structure is 34 ft (10.4 m) long with a longest span of 7 ft (2.1 m).

Who owns US 77 Sbfr over Drainage Ditch?

It is owned by the State Highway Agency.