US Bridges

IH635/US75 Ramp NW over IH 635/US 75 Interchange

Fair

Dallas County, Texas · High Five Interchange · Structure no. 180570237401475

Built
2003
22 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
3,524 ft
10 main spans
Daily traffic
28,072
2020 count
Owner
State
State Highway Agency

About this bridge

IH635/US75 Ramp NW over IH 635/US 75 Interchange is a prestressed concrete stringer/multi-beam or girder carrying IH635/US75 Ramp NW over IH 635/US 75 Interchange in Dallas County, Texas. It was built in 2003, so it is 22 years old, younger 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 28,072 vehicles a day, projected to reach 39,301 by 2040. The structure is 3,524 ft (1,074.1 m) long and 38 ft wide.

Location

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CarriesIH635/US75 Ramp NW
CrossesIH 635/US 75 Interchange
LocationHigh Five Interchange
RouteInterstate 635
CountyDallas County
StateTexas
Coordinates32.92374, -96.76474
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans10 (+22 approach)
Design loadHS 20
Structure length3,524 ft (1,074.1 m)
Longest span149 ft (45.4 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,072 (2020)
Projected traffic39,301 by 2040
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesFourth level (interchange)
CrossesHighway
Detour if closed—
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 IH635/US75 Ramp NW over IH 635/US 75 Interchange built?

It was built in 2003, making it 22 years old in 2025.

What condition is IH635/US75 Ramp NW over IH 635/US 75 Interchange 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 September 2023.

How much traffic does IH635/US75 Ramp NW over IH 635/US 75 Interchange carry?

About 28,072 vehicles per day (2020 count).

How long is IH635/US75 Ramp NW over IH 635/US 75 Interchange?

The structure is 3,524 ft (1,074.1 m) long with a longest span of 149 ft (45.4 m) and a deck 38 ft wide.

Who owns IH635/US75 Ramp NW over IH 635/US 75 Interchange?

It is owned by the State Highway Agency.