US Bridges

SH 121 NB over Hall-Johnson Road

Fair

Tarrant County, Texas · 1.8 MI N of FM-157 · Structure no. 022200036401120

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

About this bridge

SH 121 NB over Hall-Johnson Road is a prestressed concrete stringer/multi-beam or girder carrying SH 121 NB over Hall-Johnson Road 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 48,959 vehicles a day, roughly 6% of them trucks, projected to reach 69,460 by 2033. The structure is 325 ft (99.1 m) long and 58 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 121 NB
CrossesHall-Johnson Road
Location1.8 MI N of FM-157
RouteState Highway 121
StateTexas
Coordinates32.89343, -97.09905
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum 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 (+2 approach)
Design loadHS 20
Structure length325 ft (99.1 m)
Longest span100 ft (30.5 m)
Deck width58 ft (17.7 m)
Roadway width55 ft (16.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic48,959 (2019)
Projected traffic69,460 by 2033
Trucks6%
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 Hall-Johnson Road built?

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

What condition is SH 121 NB over Hall-Johnson Road in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2022.

How much traffic does SH 121 NB over Hall-Johnson Road carry?

About 48,959 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is SH 121 NB over Hall-Johnson Road?

The structure is 325 ft (99.1 m) long with a longest span of 100 ft (30.5 m) and a deck 58 ft wide.

Who owns SH 121 NB over Hall-Johnson Road?

It is owned by the State Highway Agency.