US Bridges

SH 121 NB to IH635 over Dart (cottonbelt) R/R

Good

Tarrant County, Texas · 0.7 Mi. N. of SH 114 · Structure no. 022200036401638

Built
2013
12 years old
Condition
Good
inspected May 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
227 ft
1 main span
Daily traffic
22,950
2013 count
Owner
State
State Highway Agency

About this bridge

SH 121 NB to IH635 over Dart (cottonbelt) R/R is a prestressed concrete stringer/multi-beam or girder carrying SH 121 NB to IH635 over Dart (cottonbelt) R/R 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 22,950 vehicles a day, roughly 3% of them trucks, projected to reach 23,000 by 2033. The structure is 227 ft (69.2 m) long and 58 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesSH 121 NB to IH635
CrossesDart (cottonbelt) R/R
Location0.7 Mi. N. of SH 114
RouteState Highway 121
CountyTarrant County
StateTexas
Coordinates32.93393, -97.04114
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 inspectionMay 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
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 (+1 approach)
Design loadHL 93
Structure length227 ft (69.2 m)
Longest span129 ft (39.3 m)
Deck width58 ft (17.7 m)
Roadway width55 ft (16.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,950 (2013)
Projected traffic23,000 by 2033
Trucks3%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SH 121 NB to IH635 over Dart (cottonbelt) R/R built?

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

What condition is SH 121 NB to IH635 over Dart (cottonbelt) R/R 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 2022.

How much traffic does SH 121 NB to IH635 over Dart (cottonbelt) R/R carry?

About 22,950 vehicles per day (2013 count), of which roughly 3% are trucks.

How long is SH 121 NB to IH635 over Dart (cottonbelt) R/R?

The structure is 227 ft (69.2 m) long with a longest span of 129 ft (39.3 m) and a deck 58 ft wide.

Who owns SH 121 NB to IH635 over Dart (cottonbelt) R/R?

It is owned by the State Highway Agency.