US Bridges

CR 306 over Lavaca River

Good

Jackson County, Texas · 1.9 MI SW of FM 1822 · Structure no. 131210AA0306001

Built
2022
3 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
170 ft
3 main spans
Daily traffic
70
2022 count
Owner
County
County Highway Agency

About this bridge

CR 306 over Lavaca River is a prestressed concrete stringer/multi-beam or girder carrying CR 306 over Lavaca River in Jackson County, Texas. It was built in 2022, so it is 3 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 70 vehicles a day, roughly 3% of them trucks, projected to reach 45 by 2042. The structure is 170 ft (51.8 m) long and 26 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesCR 306
CrossesLavaca River
Location1.9 MI SW of FM 1822
RouteCounty Highway 306
StateTexas
Coordinates28.91997, -96.66282
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 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 adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length170 ft (51.8 m)
Longest span90 ft (27.4 m)
Deck width26 ft (7.9 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2022)
Projected traffic45 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 306 over Lavaca River built?

It was built in 2022, making it 3 years old in 2025.

What condition is CR 306 over Lavaca River 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 February 2024.

How much traffic does CR 306 over Lavaca River carry?

About 70 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is CR 306 over Lavaca River?

The structure is 170 ft (51.8 m) long with a longest span of 90 ft (27.4 m) and a deck 26 ft wide.

Who owns CR 306 over Lavaca River?

It is owned by the County Highway Agency.