US Bridges

Lp 1 SB over Convict Hill;kincheon Br

Fair

Travis County, Texas · 1.8 MI SW of US 290 · Structure no. 142270313601105

Built
1990
35 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
980 ft
8 main spans
Daily traffic
1,604
2020 count
Owner
State
State Highway Agency

About this bridge

Lp 1 SB over Convict Hill;kincheon Br is a prestressed concrete stringer/multi-beam or girder carrying Lp 1 SB over Convict Hill;kincheon Br in Travis County, Texas. It was built in 1990, so it is 35 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 1,604 vehicles a day, roughly 4% of them trucks, projected to reach 48,399 by 2042. The structure is 980 ft (298.7 m) long and 58 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLp 1 SB
CrossesConvict Hill;kincheon Br
Location1.8 MI SW of US 290
RouteState Highway 1
StateTexas
Coordinates30.21668, -97.84592
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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable 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

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans8 (+2 approach)
Design loadHS 20
Structure length980 ft (298.7 m)
Longest span107 ft (32.6 m)
Deck width58 ft (17.7 m)
Roadway width55 ft (16.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,604 (2020)
Projected traffic48,399 by 2042
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
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 Lp 1 SB over Convict Hill;kincheon Br built?

It was built in 1990, making it 35 years old in 2025.

What condition is Lp 1 SB over Convict Hill;kincheon Br 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 August 2024.

How much traffic does Lp 1 SB over Convict Hill;kincheon Br carry?

About 1,604 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Lp 1 SB over Convict Hill;kincheon Br?

The structure is 980 ft (298.7 m) long with a longest span of 107 ft (32.6 m) and a deck 58 ft wide.

Who owns Lp 1 SB over Convict Hill;kincheon Br?

It is owned by the State Highway Agency.