US Bridges

Lp 360 over Colorado River

Fair

Travis County, Texas · 0.70 MI S of RM 2222 · Structure no. 142270011313093

Built
1983
42 years old
Condition
Fair
inspected March 2023
Type
Arch - Thru
Steel
Length
1,150 ft
1 main span
Daily traffic
44,927
2023 count
Owner
State
State Highway Agency

About this bridge

Lp 360 over Colorado River is a steel arch - thru carrying Lp 360 over Colorado River in Travis County, Texas. It was built in 1983, so it is 42 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 44,927 vehicles a day, roughly 3% of them trucks, projected to reach 103,912 by 2041. The structure is 1,150 ft (350.5 m) long and 87 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesLp 360
CrossesColorado River
Location0.70 MI S of RM 2222
RouteState Highway 360
StateTexas
Coordinates30.34975, -97.79694
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
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

Structure typeArch - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+5 approach)
Design loadHS 20
Structure length1,150 ft (350.5 m)
Longest span599 ft (182.6 m)
Deck width87 ft (26.5 m)
Roadway width75 ft (22.9 m)
Vertical clearance over deck26 ft (7.9 m)

Traffic and service

Average daily traffic44,927 (2023)
Projected traffic103,912 by 2041
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed8.1 mi (13 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lp 360 over Colorado River built?

It was built in 1983, making it 42 years old in 2025.

What condition is Lp 360 over Colorado 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 March 2023.

How much traffic does Lp 360 over Colorado River carry?

About 44,927 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Lp 360 over Colorado River?

The structure is 1,150 ft (350.5 m) long with a longest span of 599 ft (182.6 m) and a deck 87 ft wide.

Who owns Lp 360 over Colorado River?

It is owned by the State Highway Agency.