US Bridges

SH 121 Sbta - Bass over SH 121

Good

Tarrant County, Texas · 0.66 MI S of FM 2499 · Structure no. 022200036401714

Built
2020
5 years old
Condition
Good
inspected May 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
721 ft
5 main spans
Daily traffic
25,800
2016 count
Owner
State
State Highway Agency

About this bridge

SH 121 Sbta - Bass over SH 121 is a prestressed concrete stringer/multi-beam or girder carrying SH 121 Sbta - Bass over SH 121 in Tarrant County, Texas. It was built in 2020, so it is 5 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 25,800 vehicles a day, roughly 2% of them trucks, projected to reach 35,600 by 2036. The structure is 721 ft (219.8 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 121 Sbta - Bass
CrossesSH 121
Location0.66 MI S of FM 2499
RouteState Highway 121
StateTexas
Coordinates32.95491, -97.03983
Functional classUrban Collector

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.
Substructure8 Very GoodNo problems noted.
Last inspectionMay 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5 (+2 approach)
Design loadHL 93
Structure length721 ft (219.8 m)
Longest span130 ft (39.5 m)
Deck width26 ft (7.9 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,800 (2016)
Projected traffic35,600 by 2036
Trucks2%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 Sbta - Bass over SH 121 built?

It was built in 2020, making it 5 years old in 2025.

What condition is SH 121 Sbta - Bass over SH 121 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 SH 121 Sbta - Bass over SH 121 carry?

About 25,800 vehicles per day (2016 count), of which roughly 2% are trucks.

How long is SH 121 Sbta - Bass over SH 121?

The structure is 721 ft (219.8 m) long with a longest span of 130 ft (39.5 m) and a deck 26 ft wide.

Who owns SH 121 Sbta - Bass over SH 121?

It is owned by the State Highway Agency.