US Bridges

Lp 306 SB over Concho River

Fair

Tom Green County, Texas · 0.70 Miles N of FM 388 · Structure no. 072260026407260

Built
2000
25 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
960 ft
8 main spans
Daily traffic
2,895
2019 count
Owner
State
State Highway Agency

About this bridge

Lp 306 SB over Concho River is a prestressed concrete stringer/multi-beam or girder carrying Lp 306 SB over Concho River in Tom Green County, Texas. It was built in 2000, so it is 25 years old, younger 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 2,895 vehicles a day, roughly 10% of them trucks, projected to reach 3,850 by 2033. The structure is 960 ft (292.6 m) long and 40 ft wide.

Location

Open in Google Maps
CarriesLp 306 SB
CrossesConcho River
Location0.70 Miles N of FM 388
RouteState Highway 306
CountyTom Green County
StateTexas
Coordinates31.45062, -100.37934
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
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
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans8
Design loadHL 93
Structure length960 ft (292.6 m)
Longest span125 ft (38.1 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,895 (2019)
Projected traffic3,850 by 2033
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Lp 306 SB over Concho River built?

It was built in 2000, making it 25 years old in 2025.

What condition is Lp 306 SB over Concho River 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 Lp 306 SB over Concho River carry?

About 2,895 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is Lp 306 SB over Concho River?

The structure is 960 ft (292.6 m) long with a longest span of 125 ft (38.1 m) and a deck 40 ft wide.

Who owns Lp 306 SB over Concho River?

It is owned by the State Highway Agency.