US Bridges

US 59 NB over Casa Blanca Crk

Fair

Victoria County, Texas · 5.83 MI S of FM 444 · Structure no. 132350008901004

Built
1929
96 years old, rebuilt 1972
Condition
Fair
inspected December 2024
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
30,356
2023 count
Owner
State
State Highway Agency

About this bridge

US 59 NB over Casa Blanca Crk is a concrete culvert carrying US 59 NB over Casa Blanca Crk in Victoria County, Texas. It was built in 1929 and reconstructed in 1972, so it is 96 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 30,356 vehicles a day, roughly 27% of them trucks, projected to reach 18,980 by 2033. The structure is 33 ft (10.1 m) long and 68 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 59 NB
CrossesCasa Blanca Crk
Location5.83 MI S of FM 444
RouteU.S. Route 59
StateTexas
Coordinates28.86087, -96.8734
Functional classRural Principal Arterial - Other

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 inspectionDecember 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 geometry7: Better than present minimum 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 length33 ft (10.1 m)
Longest span10 ft (3 m)
Deck width68 ft (20.7 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,356 (2023)
Projected traffic18,980 by 2033
Trucks27%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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 59 NB over Casa Blanca Crk built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1972.

What condition is US 59 NB over Casa Blanca Crk 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 US 59 NB over Casa Blanca Crk carry?

About 30,356 vehicles per day (2023 count), of which roughly 27% are trucks.

How long is US 59 NB over Casa Blanca Crk?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m) and a deck 68 ft wide.

Who owns US 59 NB over Casa Blanca Crk?

It is owned by the State Highway Agency.