US Bridges

SH 121 SB over Freeport Pkwy

Good

Dallas County, Texas · 0.85 MI SW of Denton C/L · Structure no. 180570036402431

Built
2009
16 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
315 ft
3 main spans
Daily traffic
142,733
2018 count
Owner
State
State Highway Agency

About this bridge

SH 121 SB over Freeport Pkwy is a prestressed concrete stringer/multi-beam or girder carrying SH 121 SB over Freeport Pkwy in Dallas County, Texas. It was built in 2009, so it is 16 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 142,733 vehicles a day, projected to reach 116,370 by 2031. The structure is 315 ft (96 m) long and 83 ft wide.

CarriesSH 121 SB
CrossesFreeport Pkwy
Location0.85 MI SW of Denton C/L
RouteState Highway 121
StateTexas
Coordinates32.98063, -97.02064
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 inspectionJanuary 2024
Inspection intervalevery 24 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

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHL 93
Structure length315 ft (96 m)
Longest span121 ft (36.9 m)
Deck width83 ft (25.4 m)
Roadway width79 ft (24.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic142,733 (2018)
Projected traffic116,370 by 2031
Trucks0%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
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 SH 121 SB over Freeport Pkwy built?

It was built in 2009, making it 16 years old in 2025.

What condition is SH 121 SB over Freeport Pkwy 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 January 2024.

How much traffic does SH 121 SB over Freeport Pkwy carry?

About 142,733 vehicles per day (2018 count).

How long is SH 121 SB over Freeport Pkwy?

The structure is 315 ft (96 m) long with a longest span of 121 ft (36.9 m) and a deck 83 ft wide.

Who owns SH 121 SB over Freeport Pkwy?

It is owned by the State Highway Agency.