US Bridges

Loop 12 Express over Loop 12 NB

Good

Dallas County, Texas · 0.7 MI SW of IH 35E · Structure no. 180570058102402

Built
2018
7 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
921 ft
7 main spans
Daily traffic
2,000
2000 count
Owner
State
State Highway Agency

About this bridge

Loop 12 Express over Loop 12 NB is a prestressed concrete stringer/multi-beam or girder carrying Loop 12 Express over Loop 12 NB in Dallas County, Texas. It was built in 2018, so it is 7 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 2,000 vehicles a day, roughly 1% of them trucks, projected to reach 4,300 by 2025. The structure is 921 ft (280.7 m) long and 41 ft wide.

CarriesLoop 12 Express
CrossesLoop 12 NB
Location0.7 MI SW of IH 35E
RouteState Highway 12
StateTexas
Coordinates32.85826, -96.90326
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
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

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans7 (+1 approach)
Design loadHL 93
Structure length921 ft (280.7 m)
Longest span128 ft (39 m)
Deck width41 ft (12.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2000)
Projected traffic4,300 by 2025
Trucks1%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byPrivate (other than railroad)
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 Loop 12 Express over Loop 12 NB built?

It was built in 2018, making it 7 years old in 2025.

What condition is Loop 12 Express over Loop 12 NB 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 2023.

How much traffic does Loop 12 Express over Loop 12 NB carry?

About 2,000 vehicles per day (2000 count), of which roughly 1% are trucks.

How long is Loop 12 Express over Loop 12 NB?

The structure is 921 ft (280.7 m) long with a longest span of 128 ft (39 m) and a deck 41 ft wide.

Who owns Loop 12 Express over Loop 12 NB?

It is owned by the State Highway Agency and maintained by the Private (other than railroad).