US Bridges

SH 80 over Salt Branch

Fair

Gonzales County, Texas · 2.50 MI S of FM 1682 · Structure no. 130900028704009

Built
1974
51 years old, rebuilt 1991
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
120 ft
3 main spans
Daily traffic
3,118
2023 count
Owner
State
State Highway Agency

About this bridge

SH 80 over Salt Branch is a concrete stringer/multi-beam or girder carrying SH 80 over Salt Branch in Gonzales County, Texas. It was built in 1974 and reconstructed in 1991, so it is 51 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 3,118 vehicles a day, roughly 31% of them trucks, projected to reach 4,365 by 2042. The structure is 120 ft (36.6 m) long and 50 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesSH 80
CrossesSalt Branch
Location2.50 MI S of FM 1682
RouteState Highway 80
StateTexas
Coordinates29.37031, -97.75176
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width50 ft (15.3 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,118 (2023)
Projected traffic4,365 by 2042
Trucks31%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 SH 80 over Salt Branch built?

It was built in 1974, making it 51 years old in 2025. It was reconstructed in 1991.

What condition is SH 80 over Salt Branch 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 December 2024.

How much traffic does SH 80 over Salt Branch carry?

About 3,118 vehicles per day (2023 count), of which roughly 31% are trucks.

How long is SH 80 over Salt Branch?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 50 ft wide.

Who owns SH 80 over Salt Branch?

It is owned by the State Highway Agency.