US Bridges

I635 WB to I35E SB over IH 35E NB

Fair

Dallas County, Texas · 3.2 MI N of Loop 12 · Structure no. 180570019603333

Built
1967
58 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
202 ft
3 main spans
Daily traffic
107,820
2016 count
Owner
State
State Highway Agency

About this bridge

I635 WB to I35E SB over IH 35E NB is a steel continuous stringer/multi-beam or girder carrying I635 WB to I35E SB over IH 35E NB in Dallas County, Texas. It was built in 1967, so it is 58 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 107,820 vehicles a day, roughly 10% of them trucks, projected to reach 150,940 by 2036. The structure is 202 ft (61.6 m) long and 57 ft wide.

CarriesI635 WB to I35E SB
CrossesIH 35E NB
Location3.2 MI N of Loop 12
RouteInterstate 635
StateTexas
Coordinates32.90746, -96.8971
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 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 rating72 US tons
Inventory rating43 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length202 ft (61.6 m)
Longest span78 ft (23.8 m)
Deck width57 ft (17.5 m)
Roadway width56 ft (17 m)
Vertical clearance over deck16 ft (5 m)

Traffic and service

Average daily traffic107,820 (2016)
Projected traffic150,940 by 2036
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
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 I635 WB to I35E SB over IH 35E NB built?

It was built in 1967, making it 58 years old in 2025.

What condition is I635 WB to I35E SB over IH 35E NB 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 April 2024.

How much traffic does I635 WB to I35E SB over IH 35E NB carry?

About 107,820 vehicles per day (2016 count), of which roughly 10% are trucks.

How long is I635 WB to I35E SB over IH 35E NB?

The structure is 202 ft (61.6 m) long with a longest span of 78 ft (23.8 m) and a deck 57 ft wide.

Who owns I635 WB to I35E SB over IH 35E NB?

It is owned by the State Highway Agency.