US Bridges

SH 121 SB (ntta) over FM 1187

Good

Tarrant County, Texas · 8.60 MI S of IH 20 · Structure no. 022200050402451

Built
2014
11 years old
Condition
Good
inspected June 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
393 ft
3 main spans
Daily traffic
12,166
2023 count
Owner
State
State Highway Agency

About this bridge

SH 121 SB (ntta) over FM 1187 is a prestressed concrete stringer/multi-beam or girder carrying SH 121 SB (ntta) over FM 1187 in Tarrant County, Texas. It was built in 2014, so it is 11 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 12,166 vehicles a day, roughly 1% of them trucks, projected to reach 3,387 by 2033. The structure is 393 ft (119.8 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSH 121 SB (ntta)
CrossesFM 1187
Location8.60 MI S of IH 20
CountyTarrant County
StateTexas
Coordinates32.56676, -97.43356
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 inspectionJune 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3 (+1 approach)
Design loadHL 93
Structure length393 ft (119.8 m)
Longest span121 ft (36.9 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,166 (2023)
Projected traffic3,387 by 2033
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Toll Authority
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 SB (ntta) over FM 1187 built?

It was built in 2014, making it 11 years old in 2025.

What condition is SH 121 SB (ntta) over FM 1187 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 June 2022.

How much traffic does SH 121 SB (ntta) over FM 1187 carry?

About 12,166 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is SH 121 SB (ntta) over FM 1187?

The structure is 393 ft (119.8 m) long with a longest span of 121 ft (36.9 m) and a deck 40 ft wide.

Who owns SH 121 SB (ntta) over FM 1187?

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