US Bridges

SH 121 SB FR over IH 20

Good

Tarrant County, Texas · 0.2 MI S of SH 183 · Structure no. 022200000816467

Built
2013
12 years old
Condition
Good
inspected June 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
430 ft
3 main spans
Daily traffic
4,820
2013 count
Owner
State
State Highway Agency

About this bridge

SH 121 SB FR over IH 20 is a prestressed concrete stringer/multi-beam or girder carrying SH 121 SB FR over IH 20 in Tarrant County, Texas. It was built in 2013, so it is 12 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 4,820 vehicles a day, roughly 1% of them trucks, projected to reach 4,920 by 2033. The structure is 430 ft (131.1 m) long and 40 ft wide.

Location

Open in Google Maps
CarriesSH 121 SB FR
CrossesIH 20
Location0.2 MI S of SH 183
RouteState Highway 121
CountyTarrant County
StateTexas
Coordinates32.68395, -97.40656
Functional classUrban Minor Arterial

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 inspectionJune 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
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 spans3 (+1 approach)
Design loadHL 93
Structure length430 ft (131.1 m)
Longest span125 ft (38.1 m)
Deck width40 ft (12.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck25 ft (7.6 m)

Traffic and service

Average daily traffic4,820 (2013)
Projected traffic4,920 by 2033
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
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 FR over IH 20 built?

It was built in 2013, making it 12 years old in 2025.

What condition is SH 121 SB FR over IH 20 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 SB FR over IH 20 carry?

About 4,820 vehicles per day (2013 count), of which roughly 1% are trucks.

How long is SH 121 SB FR over IH 20?

The structure is 430 ft (131.1 m) long with a longest span of 125 ft (38.1 m) and a deck 40 ft wide.

Who owns SH 121 SB FR over IH 20?

It is owned by the State Highway Agency.