US Bridges

CR 424 over Supplejack Creek

Good

Lavaca County, Texas · 4.40 MI S of FM 531 · Structure no. 131430AA0386001

Built
1995
30 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
165 ft
2 main spans
Daily traffic
30
2012 count
Owner
County
County Highway Agency

About this bridge

CR 424 over Supplejack Creek is a prestressed concrete stringer/multi-beam or girder carrying CR 424 over Supplejack Creek in Lavaca County, Texas. It was built in 1995, so it is 30 years old, younger 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 30 vehicles a day, projected to reach 50 by 2032. The structure is 165 ft (50.3 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCR 424
CrossesSupplejack Creek
Location4.40 MI S of FM 531
RouteCounty Highway 424
CountyLavaca County
StateTexas
Coordinates29.23668, -96.99672
Functional classRural Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2 (+1 approach)
Design loadHS 20
Structure length165 ft (50.3 m)
Longest span70 ft (21.3 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2012)
Projected traffic50 by 2032
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 424 over Supplejack Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is CR 424 over Supplejack 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 January 2024.

How much traffic does CR 424 over Supplejack Creek carry?

About 30 vehicles per day (2012 count).

How long is CR 424 over Supplejack Creek?

The structure is 165 ft (50.3 m) long with a longest span of 70 ft (21.3 m) and a deck 26 ft wide.

Who owns CR 424 over Supplejack Creek?

It is owned by the County Highway Agency.