US Bridges

SH 121 SB on Ramp over Big Bear Ck/Stone Myers

Good

Tarrant County, Texas · 0.6 MI N of Hall-Johnson · Structure no. 022200036401697

Built
2015
10 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
645 ft
4 main spans
Daily traffic
5,700
2015 count
Owner
State
State Highway Agency

About this bridge

SH 121 SB on Ramp over Big Bear Ck/Stone Myers is a prestressed concrete stringer/multi-beam or girder carrying SH 121 SB on Ramp over Big Bear Ck/Stone Myers in Tarrant County, Texas. It was built in 2015, so it is 10 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 5,700 vehicles a day, projected to reach 6,500 by 2035. The structure is 645 ft (196.6 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 121 SB on Ramp
CrossesBig Bear Ck/Stone Myers
Location0.6 MI N of Hall-Johnson
RouteState Highway 121
StateTexas
Coordinates32.90373, -97.09943
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: 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 (+2 approach)
Design loadHL 93
Structure length645 ft (196.6 m)
Longest span126 ft (38.4 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,700 (2015)
Projected traffic6,500 by 2035
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 121 SB on Ramp over Big Bear Ck/Stone Myers built?

It was built in 2015, making it 10 years old in 2025.

What condition is SH 121 SB on Ramp over Big Bear Ck/Stone Myers 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 2024.

How much traffic does SH 121 SB on Ramp over Big Bear Ck/Stone Myers carry?

About 5,700 vehicles per day (2015 count).

How long is SH 121 SB on Ramp over Big Bear Ck/Stone Myers?

The structure is 645 ft (196.6 m) long with a longest span of 126 ft (38.4 m) and a deck 28 ft wide.

Who owns SH 121 SB on Ramp over Big Bear Ck/Stone Myers?

It is owned by the State Highway Agency.