US Bridges

Loop 306 over Draw

Good

Tom Green County, Texas · 0.85 MI N of US 87 · Structure no. 072260026407068

Built
1962
63 years old, rebuilt 2012
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
28 ft
5 main spans
Daily traffic
4,349
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 1962 and reconstructed in 2012, so it is 63 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 4,349 vehicles a day, roughly 12% of them trucks, projected to reach 5,530 by 2033. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLoop 306
CrossesDraw
Location0.85 MI N of US 87
RouteState Highway 306
StateTexas
Coordinates31.39925, -100.37371
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 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
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 spans5
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span5 ft (1.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,349 (2020)
Projected traffic5,530 by 2033
Trucks12%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 1962, making it 63 years old in 2025. It was reconstructed in 2012.

What condition is Loop 306 over 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 Loop 306 over Draw carry?

About 4,349 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is Loop 306 over Draw?

The structure is 28 ft (8.5 m) long with a longest span of 5 ft (1.5 m).

Who owns Loop 306 over Draw?

It is owned by the State Highway Agency.