US Bridges

IH 35 NB and SB over 6th; 7th and 8th Streets

Fair

Travis County, Texas · 5.50 MI S of US 183 · Structure no. 142270001513191

Built
1962
63 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
897 ft
15 main spans
Daily traffic
143,744
2020 count
Owner
State
State Highway Agency

About this bridge

IH 35 NB and SB over 6th; 7th and 8th Streets is a prestressed concrete stringer/multi-beam or girder carrying IH 35 NB and SB over 6th; 7th and 8th Streets in Travis County, Texas. It was built in 1962, so it is 63 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 143,744 vehicles a day, roughly 9% of them trucks, projected to reach 238,280 by 2033. The structure is 897 ft (273.4 m) long and 102 ft wide.

Location

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CarriesIH 35 NB and SB
Crosses6th; 7th and 8th Streets
Location5.50 MI S of US 183
RouteInterstate 35
CountyTravis County
StateTexas
Coordinates30.26671, -97.73427
Functional classUrban Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 48 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 rating75 US tons
Inventory rating43 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans15
Design loadHS 20
Structure length897 ft (273.4 m)
Longest span70 ft (21.3 m)
Deck width102 ft (31 m)
Roadway width87 ft (26.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic143,744 (2020)
Projected traffic238,280 by 2033
Trucks9%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 35 NB and SB over 6th; 7th and 8th Streets built?

It was built in 1962, making it 63 years old in 2025.

What condition is IH 35 NB and SB over 6th; 7th and 8th Streets 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 2023.

How much traffic does IH 35 NB and SB over 6th; 7th and 8th Streets carry?

About 143,744 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is IH 35 NB and SB over 6th; 7th and 8th Streets?

The structure is 897 ft (273.4 m) long with a longest span of 70 ft (21.3 m) and a deck 102 ft wide.

Who owns IH 35 NB and SB over 6th; 7th and 8th Streets?

It is owned by the State Highway Agency.