US Bridges

SH 121 over Trib W Fk. Trinity River

Fair

Tarrant County, Texas · SH121 at N Beach ST · Structure no. 022200036303015

Built
1964
61 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
87,184
2022 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 1964, so it is 61 years old, older 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 87,184 vehicles a day, roughly 7% of them trucks, projected to reach 122,058 by 2042. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSH 121
CrossesTrib W Fk. Trinity River
LocationSH121 at N Beach ST
RouteState Highway 121
CountyTarrant County
StateTexas
Coordinates32.77498, -97.28778
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic87,184 (2022)
Projected traffic122,058 by 2042
Trucks7%
Lanes on structure11
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 byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
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 1964, making it 61 years old in 2025.

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

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

About 87,184 vehicles per day (2022 count), of which roughly 7% are trucks.

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

The structure is 31 ft (9.4 m) long with a longest span of 9 ft (2.7 m).

Who owns SH 121 over Trib W Fk. Trinity River?

It is owned by the State Highway Agency.