US Bridges

SH 121 NB Off Ramp over SH 121 NB on Ramp

Good

Tarrant County, Texas · 0.4 Miles S of Arborlawn · Structure no. 022200000816480

Built
2018
7 years old
Condition
Good
inspected June 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
878 ft
7 main spans
Daily traffic
1,580
2016 count
Owner
Toll Authority
State Toll Authority

About this bridge

SH 121 NB Off Ramp over SH 121 NB on Ramp is a prestressed concrete stringer/multi-beam or girder carrying SH 121 NB Off Ramp over SH 121 NB on Ramp in Tarrant County, Texas. It was built in 2018, so it is 7 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 1,580 vehicles a day, roughly 6% of them trucks, projected to reach 2,080 by 2036. The structure is 878 ft (267.6 m) long and 28 ft wide.

Location

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CarriesSH 121 NB Off Ramp
CrossesSH 121 NB on Ramp
Location0.4 Miles S of Arborlawn
CountyTarrant County
StateTexas
Coordinates32.69, -97.40419
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 spans7
Design loadHL 93
Structure length878 ft (267.6 m)
Longest span130 ft (39.6 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,580 (2016)
Projected traffic2,080 by 2036
Trucks6%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Toll Authority
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 SH 121 NB Off Ramp over SH 121 NB on Ramp built?

It was built in 2018, making it 7 years old in 2025.

What condition is SH 121 NB Off Ramp over SH 121 NB on 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 SH 121 NB Off Ramp over SH 121 NB on Ramp carry?

About 1,580 vehicles per day (2016 count), of which roughly 6% are trucks.

How long is SH 121 NB Off Ramp over SH 121 NB on Ramp?

The structure is 878 ft (267.6 m) long with a longest span of 130 ft (39.6 m) and a deck 28 ft wide.

Who owns SH 121 NB Off Ramp over SH 121 NB on Ramp?

It is owned by the State Toll Authority.