US Bridges

US 90A over Answorth Branch

Good

Gonzales County, Texas · 7.45 MI E of SH 80 · Structure no. 130900002506075

Built
1949
76 years old
Condition
Good
inspected December 2024
Type
Slab
Concrete Continuous
Length
80 ft
3 main spans
Daily traffic
2,495
2023 count
Owner
State
State Highway Agency

About this bridge

US 90A over Answorth Branch is a concrete continuous slab carrying US 90A over Answorth Branch in Gonzales County, Texas. It was built in 1949, so it is 76 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 2,495 vehicles a day, roughly 24% of them trucks, projected to reach 3,493 by 2042. The structure is 80 ft (24.4 m) long and 40 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesUS 90A
CrossesAnsworth Branch
Location7.45 MI E of SH 80
RouteU.S. Route 90
StateTexas
Coordinates29.49912, -97.56506
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 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 geometry5: 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 rating45 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length80 ft (24.4 m)
Longest span30 ft (9.1 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,495 (2023)
Projected traffic3,493 by 2042
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 90A over Answorth Branch built?

It was built in 1949, making it 76 years old in 2025.

What condition is US 90A over Answorth 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 December 2024.

How much traffic does US 90A over Answorth Branch carry?

About 2,495 vehicles per day (2023 count), of which roughly 24% are trucks.

How long is US 90A over Answorth Branch?

The structure is 80 ft (24.4 m) long with a longest span of 30 ft (9.1 m) and a deck 40 ft wide.

Who owns US 90A over Answorth Branch?

It is owned by the State Highway Agency.