US Bridges

SH 121 NB over FM 157 SB

Good

Tarrant County, Texas · 0.1 MI N of FM 157 · Structure no. 022200036401118

Built
1986
39 years old
Condition
Good
inspected April 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
274 ft
2 main spans
Daily traffic
48,959
2019 count
Owner
State
State Highway Agency

About this bridge

SH 121 NB over FM 157 SB is a prestressed concrete stringer/multi-beam or girder carrying SH 121 NB over FM 157 SB in Tarrant County, Texas. It was built in 1986, so it is 39 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 48,959 vehicles a day, roughly 7% of them trucks, projected to reach 64,270 by 2033. The structure is 274 ft (83.5 m) long and 83 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 121 NB
CrossesFM 157 SB
Location0.1 MI N of FM 157
RouteState Highway 121
StateTexas
Coordinates32.86922, -97.101
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 inspectionApril 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

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+1 approach)
Design loadHS 20
Structure length274 ft (83.5 m)
Longest span109 ft (33.2 m)
Deck width83 ft (25.4 m)
Roadway width82 ft (24.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic48,959 (2019)
Projected traffic64,270 by 2033
Trucks7%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 SH 121 NB over FM 157 SB built?

It was built in 1986, making it 39 years old in 2025.

What condition is SH 121 NB over FM 157 SB 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 April 2022.

How much traffic does SH 121 NB over FM 157 SB carry?

About 48,959 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is SH 121 NB over FM 157 SB?

The structure is 274 ft (83.5 m) long with a longest span of 109 ft (33.2 m) and a deck 83 ft wide.

Who owns SH 121 NB over FM 157 SB?

It is owned by the State Highway Agency.