US Bridges

Loop 306 EB over South Orient RR

Good

Tom Green County, Texas · 2.45 MI E of US 67 · Structure no. 072260007708070

Built
1980
45 years old, rebuilt 2002
Condition
Good
inspected June 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
225 ft
5 main spans
Daily traffic
10,164
2019 count
Owner
State
State Highway Agency

About this bridge

Loop 306 EB over South Orient RR is a prestressed concrete box beam or girders - multiple carrying Loop 306 EB over South Orient RR in Tom Green County, Texas. It was built in 1980 and reconstructed in 2002, 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 10,164 vehicles a day, roughly 5% of them trucks, projected to reach 14,610 by 2033. The structure is 225 ft (68.6 m) long and 53 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLoop 306 EB
CrossesSouth Orient RR
Location2.45 MI E of US 67
RouteState Highway 306
StateTexas
Coordinates31.41505, -100.47006
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length225 ft (68.6 m)
Longest span45 ft (13.7 m)
Deck width53 ft (16.1 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,164 (2019)
Projected traffic14,610 by 2033
Trucks5%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Loop 306 EB over South Orient RR built?

It was built in 1980, making it 45 years old in 2025. It was reconstructed in 2002.

What condition is Loop 306 EB over South Orient RR 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 2022.

How much traffic does Loop 306 EB over South Orient RR carry?

About 10,164 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Loop 306 EB over South Orient RR?

The structure is 225 ft (68.6 m) long with a longest span of 45 ft (13.7 m) and a deck 53 ft wide.

Who owns Loop 306 EB over South Orient RR?

It is owned by the State Highway Agency.