US Bridges

FM 306 over West Sorrel Creek

Good

Comal County, Texas · 2.3 MI E of FM 484 · Structure no. 150460085701001

Built
1963
62 years old, rebuilt 1978
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
160 ft
4 main spans
Daily traffic
8,275
2020 count
Owner
State
State Highway Agency

About this bridge

FM 306 over West Sorrel Creek is a concrete stringer/multi-beam or girder carrying FM 306 over West Sorrel Creek in Comal County, Texas. It was built in 1963 and reconstructed in 1978, so it is 62 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 8,275 vehicles a day, roughly 5% of them trucks, projected to reach 8,300 by 2033. The structure is 160 ft (48.8 m) long and 42 ft wide.

CarriesFM 306
CrossesWest Sorrel Creek
Location2.3 MI E of FM 484
RouteState Highway 306
StateTexas
Coordinates29.92832, -98.22495
Functional classRural Principal Arterial - Other

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length160 ft (48.8 m)
Longest span40 ft (12.2 m)
Deck width42 ft (12.9 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,275 (2020)
Projected traffic8,300 by 2033
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 FM 306 over West Sorrel Creek built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1978.

What condition is FM 306 over West Sorrel 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 June 2024.

How much traffic does FM 306 over West Sorrel Creek carry?

About 8,275 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is FM 306 over West Sorrel Creek?

The structure is 160 ft (48.8 m) long with a longest span of 40 ft (12.2 m) and a deck 42 ft wide.

Who owns FM 306 over West Sorrel Creek?

It is owned by the State Highway Agency.