US Bridges

US 90 over Walnut Branch

Fair

Guadalupe County, Texas · 0.65 MI E of SH 46 · Structure no. 150950002901002

Built
1932
93 years old, rebuilt 1990
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
62 ft
9 main spans
Daily traffic
8,878
2023 count
Owner
State
State Highway Agency

About this bridge

US 90 over Walnut Branch is a concrete culvert carrying US 90 over Walnut Branch in Guadalupe County, Texas. It was built in 1932 and reconstructed in 1990, so it is 93 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 8,878 vehicles a day, roughly 5% of them trucks, projected to reach 11,740 by 2033. The structure is 62 ft (18.9 m) long and 64 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 90
CrossesWalnut Branch
Location0.65 MI E of SH 46
RouteU.S. Route 90
CountyGuadalupe County
StateTexas
Coordinates29.57983, -97.98049
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 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 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 rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans9
Design loadH 15
Structure length62 ft (18.9 m)
Longest span11 ft (3.4 m)
Deck width64 ft (19.4 m)
Roadway width51 ft (15.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,878 (2023)
Projected traffic11,740 by 2033
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 90 over Walnut Branch built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1990.

What condition is US 90 over Walnut 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 August 2024.

How much traffic does US 90 over Walnut Branch carry?

About 8,878 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is US 90 over Walnut Branch?

The structure is 62 ft (18.9 m) long with a longest span of 11 ft (3.4 m) and a deck 64 ft wide.

Who owns US 90 over Walnut Branch?

It is owned by the State Highway Agency.