US Bridges

SH 121 NB (ntta) over SH 183

Good

Tarrant County, Texas · SH 121 NB @ SH 183 · Structure no. 022200050402472

Built
2013
12 years old
Condition
Good
inspected June 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
118 ft
1 main span
Daily traffic
42,390
2013 count
Owner
State
State Highway Agency

About this bridge

SH 121 NB (ntta) over SH 183 is a prestressed concrete stringer/multi-beam or girder carrying SH 121 NB (ntta) over SH 183 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 42,390 vehicles a day, roughly 1% of them trucks, projected to reach 42,490 by 2033. The structure is 118 ft (36 m) long and 64 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSH 121 NB (ntta)
CrossesSH 183
LocationSH 121 NB @ SH 183
CountyTarrant County
StateTexas
Coordinates32.68627, -97.40506
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.
Superstructure8 Very GoodNo problems noted.
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 geometry4: Meets minimum tolerable limits to be 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 spans1
Design loadHL 93
Structure length118 ft (36 m)
Longest span118 ft (36 m)
Deck width64 ft (19.5 m)
Roadway width62 ft (18.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42,390 (2013)
Projected traffic42,490 by 2033
Trucks1%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemYes

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 NB (ntta) over SH 183 built?

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

What condition is SH 121 NB (ntta) over SH 183 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 NB (ntta) over SH 183 carry?

About 42,390 vehicles per day (2013 count), of which roughly 1% are trucks.

How long is SH 121 NB (ntta) over SH 183?

The structure is 118 ft (36 m) long with a longest span of 118 ft (36 m) and a deck 64 ft wide.

Who owns SH 121 NB (ntta) over SH 183?

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