US Bridges

IH 35 NB Ent Ramp over IH 35 NB Exit Ramp

Fair

Travis County, Texas · 5.0 MI S of US 183 · Structure no. 142270001513345

Built
1976
49 years old
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Single or Spread
Steel Continuous
Length
219 ft
2 main spans
Daily traffic
17,500
2013 count
Owner
State
State Highway Agency

About this bridge

IH 35 NB Ent Ramp over IH 35 NB Exit Ramp is a steel continuous box beam or girders - single or spread carrying IH 35 NB Ent Ramp over IH 35 NB Exit Ramp in Travis County, Texas. It was built in 1976, so it is 49 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 5 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 17,500 vehicles a day, roughly 12% of them trucks, projected to reach 24,500 by 2033. The structure is 219 ft (66.8 m) long and 27 ft wide.

Location

Open in Google Maps
CarriesIH 35 NB Ent Ramp
CrossesIH 35 NB Exit Ramp
Location5.0 MI S of US 183
RouteInterstate 35
CountyTravis County
StateTexas
Coordinates30.27325, -97.73163
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53 US tons
Inventory rating32 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length219 ft (66.8 m)
Longest span135 ft (41.1 m)
Deck width27 ft (8.3 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,500 (2013)
Projected traffic24,500 by 2033
Trucks12%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo
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 Ent Ramp over IH 35 NB Exit Ramp built?

It was built in 1976, making it 49 years old in 2025.

What condition is IH 35 NB Ent Ramp over IH 35 NB Exit Ramp 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 Ent Ramp over IH 35 NB Exit Ramp carry?

About 17,500 vehicles per day (2013 count), of which roughly 12% are trucks.

How long is IH 35 NB Ent Ramp over IH 35 NB Exit Ramp?

The structure is 219 ft (66.8 m) long with a longest span of 135 ft (41.1 m) and a deck 27 ft wide.

Who owns IH 35 NB Ent Ramp over IH 35 NB Exit Ramp?

It is owned by the State Highway Agency.