US Bridges

Loop 306 WB Ml over College Hills Blvd

Fair

Tom Green County, Texas · 1.45 MI E of US 67 · Structure no. 072260007708069

Built
1980
45 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
220 ft
3 main spans
Daily traffic
17,980
2013 count
Owner
State
State Highway Agency

About this bridge

Loop 306 WB Ml over College Hills Blvd is a prestressed concrete stringer/multi-beam or girder carrying Loop 306 WB Ml over College Hills Blvd in Tom Green County, Texas. It was built in 1980, 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 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 17,980 vehicles a day, roughly 4% of them trucks, projected to reach 25,170 by 2033. The structure is 220 ft (67.1 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLoop 306 WB Ml
CrossesCollege Hills Blvd
Location1.45 MI E of US 67
RouteState Highway 306
StateTexas
Coordinates31.42045, -100.48502
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to 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, precast panels
Main spans3
Design loadHS 20
Structure length220 ft (67.1 m)
Longest span80 ft (24.4 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,980 (2013)
Projected traffic25,170 by 2033
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 WB Ml over College Hills Blvd built?

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

What condition is Loop 306 WB Ml over College Hills Blvd 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 WB Ml over College Hills Blvd carry?

About 17,980 vehicles per day (2013 count), of which roughly 4% are trucks.

How long is Loop 306 WB Ml over College Hills Blvd?

The structure is 220 ft (67.1 m) long with a longest span of 80 ft (24.4 m) and a deck 40 ft wide.

Who owns Loop 306 WB Ml over College Hills Blvd?

It is owned by the State Highway Agency.