Spur 406 over California Creek

Good

Val Verde County, Texas · 2.20 MI SE of US 90 · Structure no. 222330002215046

Built: 1938; 87 years old
Condition: Good; inspected October 2024
Type: Culvert; Concrete
Length: 22 ft; 3 main spans
Daily traffic: 100; 2020 count
Owner: State; State Highway Agency

About this bridge

Spur 406 over California Creek is a concrete culvert carrying Spur 406 over California Creek in Val Verde County, Texas. It was built in 1938, so it is 87 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 100 vehicles a day, roughly 7% of them trucks, projected to reach 60 by 2036. The structure is 22 ft (6.7 m) long and 37 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesSpur 406

CrossesCalifornia Creek

Location2.20 MI SE of US 90

RouteState Highway 406

CountyVal Verde County

StateTexas

Coordinates29.57626, -101.04401

Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

Component	Rating	Meaning
Channel and channel protection	8 Very Good	No problems noted.
Culvert	7 Good	Some minor problems.

Last inspectionOctober 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 rating44 US tons

Inventory rating26 US tons

Structure

Structure typeCulvert

MaterialConcrete

DeckConcrete, cast-in-place

Main spans3

Design loadH 15

Structure length22 ft (6.7 m)

Longest span7 ft (2.1 m)

Deck width37 ft (11.3 m)

Roadway width34 ft (10.3 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2020)

Projected traffic60 by 2036

Trucks7%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed98.8 mi (159 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 Spur 406 over California Creek built?

It was built in 1938, making it 87 years old in 2025.

What condition is Spur 406 over California Creek 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 October 2024.

How much traffic does Spur 406 over California Creek carry?

About 100 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is Spur 406 over California Creek?

The structure is 22 ft (6.7 m) long with a longest span of 7 ft (2.1 m) and a deck 37 ft wide.

Who owns Spur 406 over California Creek?

It is owned by the State Highway Agency.