US Bridges

US 77 Sbfr over Drain

Fair

Nueces County, Texas · 2.1 MI N of FM 665 · Structure no. 161780010203043

Built
1964
61 years old, rebuilt 2021
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
22 ft
4 main spans
Daily traffic
10,728
2022 count
Owner
State
State Highway Agency

About this bridge

US 77 Sbfr over Drain is a concrete culvert carrying US 77 Sbfr over Drain in Nueces County, Texas. It was built in 1964 and reconstructed in 2021, 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 10,728 vehicles a day, roughly 36% of them trucks, projected to reach 17,379 by 2042. The structure is 22 ft (6.7 m) long and 75 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 77 Sbfr
CrossesDrain
Location2.1 MI N of FM 665
RouteU.S. Route 77
StateTexas
Coordinates27.69971, -97.73258
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span5 ft (1.5 m)
Deck width75 ft (22.9 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,728 (2022)
Projected traffic17,379 by 2042
Trucks36%
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 Sbfr over Drain built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2021.

What condition is US 77 Sbfr 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 April 2024.

How much traffic does US 77 Sbfr over Drain carry?

About 10,728 vehicles per day (2022 count), of which roughly 36% are trucks.

How long is US 77 Sbfr over Drain?

The structure is 22 ft (6.7 m) long with a longest span of 5 ft (1.5 m) and a deck 75 ft wide.

Who owns US 77 Sbfr over Drain?

It is owned by the State Highway Agency.