US Bridges

US 77 SB over Bus 77

Fair

San Patricio County, Texas · 1.5 MI NE of SH 89 · Structure no. 162050037104099

Built
2014
11 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
345 ft
3 main spans
Daily traffic
6,286
2022 count
Owner
State
State Highway Agency

About this bridge

US 77 SB over Bus 77 is a prestressed concrete stringer/multi-beam or girder carrying US 77 SB over Bus 77 in San Patricio County, Texas. It was built in 2014, so it is 11 years old, younger 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 5 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 6,286 vehicles a day, roughly 41% of them trucks, projected to reach 10,020 by 2033. The structure is 345 ft (105.2 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 77 SB
CrossesBus 77
Location1.5 MI NE of SH 89
RouteU.S. Route 77
StateTexas
Coordinates28.06587, -97.49221
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length345 ft (105.2 m)
Longest span125 ft (38.1 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,286 (2022)
Projected traffic10,020 by 2033
Trucks41%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 77 SB over Bus 77 built?

It was built in 2014, making it 11 years old in 2025.

What condition is US 77 SB over Bus 77 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 April 2024.

How much traffic does US 77 SB over Bus 77 carry?

About 6,286 vehicles per day (2022 count), of which roughly 41% are trucks.

How long is US 77 SB over Bus 77?

The structure is 345 ft (105.2 m) long with a longest span of 125 ft (38.1 m) and a deck 40 ft wide.

Who owns US 77 SB over Bus 77?

It is owned by the State Highway Agency.