US Bridges

FM 306 over Suche Creek

Good

Comal County, Texas · 2.9 MI W. of FM 484 · Structure no. 150460310601005

Built
1980
45 years old, rebuilt 2009
Condition
Good
inspected June 2024
Type
Culvert
Steel
Length
55 ft
5 main spans
Daily traffic
6,822
2020 count
Owner
State
State Highway Agency

About this bridge

FM 306 over Suche Creek is a steel culvert carrying FM 306 over Suche Creek in Comal County, Texas. It was built in 1980 and reconstructed in 2009, so it is 45 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 6,822 vehicles a day, roughly 5% of them trucks, projected to reach 6,500 by 2030. The structure is 55 ft (16.8 m) long. If it were closed, the detour would be 9.9 mi (16 km).

CarriesFM 306
CrossesSuche Creek
Location2.9 MI W. of FM 484
RouteState Highway 306
StateTexas
Coordinates29.93769, -98.30921
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans5
Design loadUnknown
Structure length55 ft (16.8 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,822 (2020)
Projected traffic6,500 by 2030
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 FM 306 over Suche Creek built?

It was built in 1980, making it 45 years old in 2025. It was reconstructed in 2009.

What condition is FM 306 over Suche 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 Suche Creek carry?

About 6,822 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is FM 306 over Suche Creek?

The structure is 55 ft (16.8 m) long with a longest span of 8 ft (2.4 m).

Who owns FM 306 over Suche Creek?

It is owned by the State Highway Agency.