US Bridges

SH121 NB Exit Ramp over SH 121

Good

Tarrant County, Texas · 0.5 M S of SH-114&121 · Structure no. 022200036401078

Built
1986
39 years old
Condition
Good
inspected May 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
455 ft
4 main spans
Daily traffic
76,000
2010 count
Owner
State
State Highway Agency

About this bridge

SH121 NB Exit Ramp over SH 121 is a prestressed concrete stringer/multi-beam or girder carrying SH121 NB Exit Ramp over SH 121 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 76,000 vehicles a day, roughly 4% of them trucks, projected to reach 120,850 by 2030. The structure is 455 ft (138.7 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH121 NB Exit Ramp
CrossesSH 121
Location0.5 M S of SH-114&121
RouteState Highway 121
StateTexas
Coordinates32.91906, -97.09225
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 inspectionMay 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 spans4
Design loadHS 20
Structure length455 ft (138.7 m)
Longest span125 ft (38.1 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic76,000 (2010)
Projected traffic120,850 by 2030
Trucks4%
Lanes on structure2
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 SH121 NB Exit Ramp over SH 121 built?

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

What condition is SH121 NB Exit Ramp 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 SH121 NB Exit Ramp over SH 121 carry?

About 76,000 vehicles per day (2010 count), of which roughly 4% are trucks.

How long is SH121 NB Exit Ramp over SH 121?

The structure is 455 ft (138.7 m) long with a longest span of 125 ft (38.1 m) and a deck 40 ft wide.

Who owns SH121 NB Exit Ramp over SH 121?

It is owned by the State Highway Agency.