US Bridges

Loop 306 over Draw

Fair

Tom Green County, Texas · 0.40 MI S of FM 380 · Structure no. 072260026407055

Built
1958
67 years old, rebuilt 2006
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
5,293
2020 count
Owner
State
State Highway Agency

About this bridge

Loop 306 over Draw is a concrete culvert carrying Loop 306 over Draw in Tom Green County, Texas. It was built in 1958 and reconstructed in 2006, so it is 67 years old, older 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 5,293 vehicles a day, roughly 10% of them trucks, projected to reach 7,700 by 2033. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLoop 306
CrossesDraw
Location0.40 MI S of FM 380
RouteState Highway 306
StateTexas
Coordinates31.46718, -100.38608
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,293 (2020)
Projected traffic7,700 by 2033
Trucks10%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
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 Loop 306 over Draw built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2006.

What condition is Loop 306 over Draw 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 July 2024.

How much traffic does Loop 306 over Draw carry?

About 5,293 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Loop 306 over Draw?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m).

Who owns Loop 306 over Draw?

It is owned by the State Highway Agency.