US Bridges

US 77 NB over Drain

Fair

Nueces County, Texas · 3.0 MI N of FM 665 · Structure no. 161780010202042

Built
1964
61 years old, rebuilt 2024
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
91 ft
3 main spans
Daily traffic
11,107
2022 count
Owner
State
State Highway Agency

About this bridge

US 77 NB over Drain is a concrete stringer/multi-beam or girder carrying US 77 NB over Drain in Nueces County, Texas. It was built in 1964 and reconstructed in 2024, so it is 61 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 11,107 vehicles a day, roughly 37% of them trucks, projected to reach 15,550 by 2042. The structure is 91 ft (27.7 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 77 NB
CrossesDrain
Location3.0 MI N of FM 665
RouteU.S. Route 77
StateTexas
Coordinates27.71209, -97.72262
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: 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

MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length91 ft (27.7 m)
Longest span30 ft (9.1 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,107 (2022)
Projected traffic15,550 by 2042
Trucks37%
Lanes on structure2
Traffic directionOne-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 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 US 77 NB over Drain built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2024.

What condition is US 77 NB over Drain 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 May 2024.

How much traffic does US 77 NB over Drain carry?

About 11,107 vehicles per day (2022 count), of which roughly 37% are trucks.

How long is US 77 NB over Drain?

The structure is 91 ft (27.7 m) long with a longest span of 30 ft (9.1 m) and a deck 43 ft wide.

Who owns US 77 NB over Drain?

It is owned by the State Highway Agency.