US Bridges

US 90A over Walnut Branch

Good

Guadalupe County, Texas · 0.30 MI W of Bus 123 · Structure no. 150950002503092

Built
1923
102 years old, rebuilt 1967
Condition
Good
inspected August 2024
Type
Arch - Deck
Concrete
Length
38 ft
1 main span
Daily traffic
11,060
2013 count
Owner
State
State Highway Agency

About this bridge

US 90A over Walnut Branch is a concrete arch - deck carrying US 90A over Walnut Branch in Guadalupe County, Texas. It was built in 1923 and reconstructed in 1967, so it is 102 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 11,060 vehicles a day, roughly 5% of them trucks, projected to reach 15,480 by 2033. The structure is 38 ft (11.6 m) long and 70 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 90A
CrossesWalnut Branch
Location0.30 MI W of Bus 123
RouteU.S. Route 90
StateTexas
Coordinates29.56887, -97.96919
Functional classUrban Other Principal 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating36 US tons
Inventory rating27 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length38 ft (11.6 m)
Longest span35 ft (10.7 m)
Deck width70 ft (21.4 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,060 (2013)
Projected traffic15,480 by 2033
Trucks5%
Lanes on structure5
Traffic directionTwo-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 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 Walnut Branch built?

It was built in 1923, making it 102 years old in 2025. It was reconstructed in 1967.

What condition is US 90A over Walnut 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 August 2024.

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

About 11,060 vehicles per day (2013 count), of which roughly 5% are trucks.

How long is US 90A over Walnut Branch?

The structure is 38 ft (11.6 m) long with a longest span of 35 ft (10.7 m) and a deck 70 ft wide.

Who owns US 90A over Walnut Branch?

It is owned by the State Highway Agency.