US Bridges

SH121/SB Int Pkwy over Dart

Good

Tarrant County, Texas · 0.6 MI N of SH 114 · Structure no. 022200036401637

Built
2011
14 years old, rebuilt 2020
Condition
Good
inspected May 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
803 ft
7 main spans
Daily traffic
47,110
2010 count
Owner
State
State Highway Agency

About this bridge

SH121/SB Int Pkwy over Dart is a prestressed concrete stringer/multi-beam or girder carrying SH121/SB Int Pkwy over Dart in Tarrant County, Texas. It was built in 2011 and reconstructed in 2020, 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 47,110 vehicles a day, projected to reach 72,500 by 2030. The structure is 803 ft (244.8 m) long and 94 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSH121/SB Int Pkwy
CrossesDart
Location0.6 MI N of SH 114
RouteState Highway 121
CountyTarrant County
StateTexas
Coordinates32.94217, -97.04129
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable 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 (+1 approach)
Design loadHL 93
Structure length803 ft (244.8 m)
Longest span125 ft (38.1 m)
Deck width94 ft (28.7 m)
Roadway width93 ft (28.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47,110 (2010)
Projected traffic72,500 by 2030
Trucks0%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 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 SH121/SB Int Pkwy over Dart built?

It was built in 2011, making it 14 years old in 2025. It was reconstructed in 2020.

What condition is SH121/SB Int Pkwy over Dart 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 May 2022.

How much traffic does SH121/SB Int Pkwy over Dart carry?

About 47,110 vehicles per day (2010 count).

How long is SH121/SB Int Pkwy over Dart?

The structure is 803 ft (244.8 m) long with a longest span of 125 ft (38.1 m) and a deck 94 ft wide.

Who owns SH121/SB Int Pkwy over Dart?

It is owned by the State Highway Agency.