US Bridges

CR 400 over Supplejack Creek

Fair

Lavaca County, Texas · 6.65 MI E of FM 318 · Structure no. 131430AA0383001

Built
1986
39 years old
Condition
Fair
inspected January 2024
Type
Other
Steel
Length
50 ft
1 main span
Daily traffic
30
2012 count
Owner
County
County Highway Agency

About this bridge

CR 400 over Supplejack Creek is a steel other carrying CR 400 over Supplejack Creek in Lavaca County, Texas. It was built in 1986, so it is 39 years old, younger 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 vehicles a day, projected to reach 50 by 2032. The structure is 50 ft (15.2 m) long and 17 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesCR 400
CrossesSupplejack Creek
Location6.65 MI E of FM 318
RouteCounty Highway 400
CountyLavaca County
StateTexas
Coordinates29.24865, -97.04667
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating29 US tons

Structure

Structure typeOther
MaterialSteel
DeckSteel plate
Main spans1
Design loadUnknown
Structure length50 ft (15.2 m)
Longest span48 ft (14.6 m)
Deck width17 ft (5.2 m)
Roadway width17 ft (5.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2012)
Projected traffic50 by 2032
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 400 over Supplejack Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is CR 400 over Supplejack Creek 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 January 2024.

How much traffic does CR 400 over Supplejack Creek carry?

About 30 vehicles per day (2012 count).

How long is CR 400 over Supplejack Creek?

The structure is 50 ft (15.2 m) long with a longest span of 48 ft (14.6 m) and a deck 17 ft wide.

Who owns CR 400 over Supplejack Creek?

It is owned by the County Highway Agency.