US Bridges

I635 EB to I35E NB over IH 35E & IH 635

Fair

Dallas County, Texas · 3.2 MI N of Lp 12 · Structure no. 180570019603367

Built
1977
48 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
4,191 ft
3 main spans
Daily traffic
6,457
2022 count
Owner
State
State Highway Agency

About this bridge

I635 EB to I35E NB over IH 35E & IH 635 is a steel continuous stringer/multi-beam or girder carrying I635 EB to I35E NB over IH 35E & IH 635 in Dallas County, Texas. It was built in 1977, so it is 48 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 6,457 vehicles a day, roughly 5% of them trucks, projected to reach 6,874 by 2040. The structure is 4,191 ft (1,277.4 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesI635 EB to I35E NB
CrossesIH 35E & IH 635
Location3.2 MI N of Lp 12
RouteInterstate 635
CountyDallas County
StateTexas
Coordinates32.90708, -96.90405
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating28 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+44 approach)
Design loadHS 20
Structure length4,191 ft (1,277.4 m)
Longest span180 ft (54.9 m)
Deck width32 ft (9.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck17 ft (5 m)

Traffic and service

Average daily traffic6,457 (2022)
Projected traffic6,874 by 2040
Trucks5%
Lanes on structure1
Traffic directionOne-way traffic
CarriesThird level (interchange)
CrossesHighway
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I635 EB to I35E NB over IH 35E & IH 635 built?

It was built in 1977, making it 48 years old in 2025.

What condition is I635 EB to I35E NB over IH 35E & IH 635 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 I635 EB to I35E NB over IH 35E & IH 635 carry?

About 6,457 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is I635 EB to I35E NB over IH 35E & IH 635?

The structure is 4,191 ft (1,277.4 m) long with a longest span of 180 ft (54.9 m) and a deck 32 ft wide.

Who owns I635 EB to I35E NB over IH 35E & IH 635?

It is owned by the State Highway Agency.