US Bridges

US 77 Nbfr over Drain

Good

Nueces County, Texas · 0.5 MI N of FM 2826 · Structure no. 161780010202184

Built
2018
7 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
51 ft
4 main spans
Daily traffic
132
2023 count
Owner
State
State Highway Agency

About this bridge

US 77 Nbfr over Drain is a concrete culvert carrying US 77 Nbfr over Drain in Nueces County, Texas. It was built in 2018, so it is 7 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 132 vehicles a day, roughly 3% of them trucks, projected to reach 185 by 2042. The structure is 51 ft (15.5 m) long and 51 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 77 Nbfr
CrossesDrain
Location0.5 MI N of FM 2826
RouteU.S. Route 77
StateTexas
Coordinates27.74594, -97.69437
Functional classUrban Collector

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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length51 ft (15.5 m)
Longest span11 ft (3.4 m)
Deck width51 ft (15.5 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic132 (2023)
Projected traffic185 by 2042
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 Nbfr over Drain built?

It was built in 2018, making it 7 years old in 2025.

What condition is US 77 Nbfr 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 August 2024.

How much traffic does US 77 Nbfr over Drain carry?

About 132 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is US 77 Nbfr over Drain?

The structure is 51 ft (15.5 m) long with a longest span of 11 ft (3.4 m) and a deck 51 ft wide.

Who owns US 77 Nbfr over Drain?

It is owned by the State Highway Agency.