US Bridges

IH 20 WB Off-Ramp over Robinson RD

Good

Dallas County, Texas · IH 20 at Robinson RD · Structure no. 180570237404500

Built
2011
14 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
248 ft
2 main spans
Daily traffic
1,400
2011 count
Owner
Toll Authority
Local Toll Authority

About this bridge

IH 20 WB Off-Ramp over Robinson RD is a prestressed concrete stringer/multi-beam or girder carrying IH 20 WB Off-Ramp over Robinson RD in Dallas County, Texas. It was built in 2011, so it is 14 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,400 vehicles a day, roughly 5% of them trucks, projected to reach 15,000 by 2031. The structure is 248 ft (75.6 m) long and 28 ft wide.

CarriesIH 20 WB Off-Ramp
CrossesRobinson RD
LocationIH 20 at Robinson RD
RouteInterstate 20
StateTexas
Coordinates32.67635, -97.01637
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHL 93
Structure length248 ft (75.6 m)
Longest span125 ft (38.1 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2011)
Projected traffic15,000 by 2031
Trucks5%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway and waterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerLocal Toll Authority
Maintained byLocal Toll Authority
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 IH 20 WB Off-Ramp over Robinson RD built?

It was built in 2011, making it 14 years old in 2025.

What condition is IH 20 WB Off-Ramp over Robinson RD in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does IH 20 WB Off-Ramp over Robinson RD carry?

About 1,400 vehicles per day (2011 count), of which roughly 5% are trucks.

How long is IH 20 WB Off-Ramp over Robinson RD?

The structure is 248 ft (75.6 m) long with a longest span of 125 ft (38.1 m) and a deck 28 ft wide.

Who owns IH 20 WB Off-Ramp over Robinson RD?

It is owned by the Local Toll Authority.