US Bridges

Redbud Trail over Colorado River Relief

Fair

Travis County, Texas · 0.30 MI W of Lake Austin · Structure no. 142270B01671001

Built
1948
77 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
119 ft
3 main spans
Daily traffic
7,775
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Redbud Trail over Colorado River Relief is a steel stringer/multi-beam or girder carrying Redbud Trail over Colorado River Relief in Travis County, Texas. It was built in 1948, so it is 77 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 7,775 vehicles a day, roughly 3% of them trucks, projected to reach 6,000 by 2034. The structure is 119 ft (36.3 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesRedbud Trail
CrossesColorado River Relief
Location0.30 MI W of Lake Austin
RouteCity Street 0
CountyTravis County
StateTexas
Coordinates30.2918, -97.78803
Functional classUrban Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating53 US tons
Inventory rating32 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length119 ft (36.3 m)
Longest span40 ft (12.2 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,775 (2020)
Projected traffic6,000 by 2034
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$8,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Redbud Trail over Colorado River Relief built?

It was built in 1948, making it 77 years old in 2025.

What condition is Redbud Trail over Colorado River Relief 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 May 2024.

How much traffic does Redbud Trail over Colorado River Relief carry?

About 7,775 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is Redbud Trail over Colorado River Relief?

The structure is 119 ft (36.3 m) long with a longest span of 40 ft (12.2 m) and a deck 29 ft wide.

Who owns Redbud Trail over Colorado River Relief?

It is owned by the City or Municipal Highway Agency.