US Bridges

SH 121 over Trib W Fk Trinity River

Good

Tarrant County, Texas · 0.3 MI W of Brown Trail · Structure no. 022200036401679

Built
2013
12 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete
Length
39 ft
5 main spans
Daily traffic
133,895
2020 count
Owner
State
State Highway Agency

About this bridge

SH 121 over Trib W Fk Trinity River is a concrete culvert carrying SH 121 over Trib W Fk Trinity River in Tarrant County, Texas. It was built in 2013, so it is 12 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 133,895 vehicles a day, roughly 5% of them trucks, projected to reach 225,090 by 2030. The structure is 39 ft (11.9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 121
CrossesTrib W Fk Trinity River
Location0.3 MI W of Brown Trail
RouteState Highway 121
StateTexas
Coordinates32.83988, -97.16434
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadHL 93
Structure length39 ft (11.9 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic133,895 (2020)
Projected traffic225,090 by 2030
Trucks5%
Lanes on structure17
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byLocal Toll Authority
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 over Trib W Fk Trinity River built?

It was built in 2013, making it 12 years old in 2025.

What condition is SH 121 over Trib W Fk Trinity River 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 2024.

How much traffic does SH 121 over Trib W Fk Trinity River carry?

About 133,895 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is SH 121 over Trib W Fk Trinity River?

The structure is 39 ft (11.9 m) long with a longest span of 6 ft (1.8 m).

Who owns SH 121 over Trib W Fk Trinity River?

It is owned by the State Highway Agency and maintained by the Local Toll Authority.