US Bridges

SH121NB to IH20WB over IH 20 WB Off Ramp

Good

Tarrant County, Texas · SH121 N to IH20 W @ I20 · Structure no. 022200000816475

Built
2014
11 years old
Condition
Good
inspected June 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
943 ft
5 main spans
Daily traffic
6,247
2013 count
Owner
State
State Highway Agency

About this bridge

SH121NB to IH20WB over IH 20 WB Off Ramp is a prestressed concrete stringer/multi-beam or girder carrying SH121NB to IH20WB over IH 20 WB Off Ramp in Tarrant County, Texas. It was built in 2014, so it is 11 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 6,247 vehicles a day, roughly 1% of them trucks, projected to reach 6,347 by 2033. The structure is 943 ft (287.4 m) long and 38 ft wide.

Location

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CarriesSH121NB to IH20WB
CrossesIH 20 WB Off Ramp
LocationSH121 N to IH20 W @ I20
CountyTarrant County
StateTexas
Coordinates32.68404, -97.40876
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Last inspectionJune 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5 (+4 approach)
Design loadHL 93
Structure length943 ft (287.4 m)
Longest span125 ft (38.1 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,247 (2013)
Projected traffic6,347 by 2033
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesThird level (interchange)
CrossesHighway
Detour if closed—
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SH121NB to IH20WB over IH 20 WB Off Ramp built?

It was built in 2014, making it 11 years old in 2025.

What condition is SH121NB to IH20WB over IH 20 WB Off Ramp 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 June 2022.

How much traffic does SH121NB to IH20WB over IH 20 WB Off Ramp carry?

About 6,247 vehicles per day (2013 count), of which roughly 1% are trucks.

How long is SH121NB to IH20WB over IH 20 WB Off Ramp?

The structure is 943 ft (287.4 m) long with a longest span of 125 ft (38.1 m) and a deck 38 ft wide.

Who owns SH121NB to IH20WB over IH 20 WB Off Ramp?

It is owned by the State Highway Agency and maintained by the State Toll Authority.