US Bridges

US 77 over West Navidad River

Good

Lavaca County, Texas · 3.70 MI N of FM 532W · Structure no. 131430026902031

Built
1958
67 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
594 ft
3 main spans
Daily traffic
6,738
2019 count
Owner
State
State Highway Agency

About this bridge

US 77 over West Navidad River is a steel continuous stringer/multi-beam or girder carrying US 77 over West Navidad River in Lavaca County, Texas. It was built in 1958, so it is 67 years old, older 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 6,738 vehicles a day, roughly 14% of them trucks, projected to reach 7,556 by 2038. The structure is 594 ft (181.1 m) long and 33 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesUS 77
CrossesWest Navidad River
Location3.70 MI N of FM 532W
RouteU.S. Route 77
StateTexas
Coordinates29.61789, -96.91254
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating24 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+12 approach)
Design loadH 20
Structure length594 ft (181.1 m)
Longest span90 ft (27.4 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,738 (2019)
Projected traffic7,556 by 2038
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

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 over West Navidad River built?

It was built in 1958, making it 67 years old in 2025.

What condition is US 77 over West Navidad River 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 2023.

How much traffic does US 77 over West Navidad River carry?

About 6,738 vehicles per day (2019 count), of which roughly 14% are trucks.

How long is US 77 over West Navidad River?

The structure is 594 ft (181.1 m) long with a longest span of 90 ft (27.4 m) and a deck 33 ft wide.

Who owns US 77 over West Navidad River?

It is owned by the State Highway Agency.