US Bridges

FM 306 EB over UPRR & Draw

Good

Comal County, Texas · 1.74 MI W of IH 35 · Structure no. 150460172802083

Built
2015
10 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
375 ft
3 main spans
Daily traffic
10,018
2020 count
Owner
State
State Highway Agency

About this bridge

FM 306 EB over UPRR & Draw is a prestressed concrete stringer/multi-beam or girder carrying FM 306 EB over UPRR & Draw in Comal County, Texas. It was built in 2015, so it is 10 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 10,018 vehicles a day, roughly 5% of them trucks, projected to reach 8,855 by 2033. The structure is 375 ft (114.3 m) long and 49 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesFM 306 EB
CrossesUPRR & Draw
Location1.74 MI W of IH 35
RouteState Highway 306
StateTexas
Coordinates29.74577, -98.1
Functional classUrban Other Principal Arterial

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.
Substructure8 Very GoodNo problems noted.
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 evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be 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

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length375 ft (114.3 m)
Longest span125 ft (38.1 m)
Deck width49 ft (14.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,018 (2020)
Projected traffic8,855 by 2033
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad and waterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemYes

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 EB over UPRR & Draw built?

It was built in 2015, making it 10 years old in 2025.

What condition is FM 306 EB over UPRR & Draw 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 EB over UPRR & Draw carry?

About 10,018 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is FM 306 EB over UPRR & Draw?

The structure is 375 ft (114.3 m) long with a longest span of 125 ft (38.1 m) and a deck 49 ft wide.

Who owns FM 306 EB over UPRR & Draw?

It is owned by the State Highway Agency.