US Bridges

US 77 over Guidry Branch

Good

Lavaca County, Texas · 2.9 MI S of SH 111 · Structure no. 131430037002022

Built
1950
75 years old, rebuilt 2008
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
55 ft
4 main spans
Daily traffic
6,217
2019 count
Owner
State
State Highway Agency

About this bridge

US 77 over Guidry Branch is a concrete culvert carrying US 77 over Guidry Branch in Lavaca County, Texas. It was built in 1950 and reconstructed in 2008, so it is 75 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 6,217 vehicles a day, roughly 10% of them trucks, projected to reach 10,130 by 2033. The structure is 55 ft (16.8 m) long. If it were closed, the detour would be 11.2 mi (18 km).

CarriesUS 77
CrossesGuidry Branch
Location2.9 MI S of SH 111
RouteU.S. Route 77
StateTexas
Coordinates29.1526, -96.98658
Functional classRural Principal Arterial - Other

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 inspectionMarch 2023
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
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
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length55 ft (16.8 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,217 (2019)
Projected traffic10,130 by 2033
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 Guidry Branch built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 2008.

What condition is US 77 over Guidry Branch 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 Guidry Branch carry?

About 6,217 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is US 77 over Guidry Branch?

The structure is 55 ft (16.8 m) long with a longest span of 8 ft (2.4 m).

Who owns US 77 over Guidry Branch?

It is owned by the State Highway Agency.