US Bridges

Mockingbird/Peavy over Loop 12

Good

Dallas County, Texas · 1.6 MI W of SH 278 · Structure no. 180570058101404

Built
2021
4 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
110 ft
1 main span
Daily traffic
10,450
2016 count
Owner
State
State Highway Agency

About this bridge

Mockingbird/Peavy over Loop 12 is a steel stringer/multi-beam or girder carrying Mockingbird/Peavy over Loop 12 in Dallas County, Texas. It was built in 2021, so it is 4 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10,450 vehicles a day, roughly 4% of them trucks, projected to reach 1 by 1900. The structure is 110 ft (33.5 m) long and 74 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesMockingbird/Peavy
CrossesLoop 12
Location1.6 MI W of SH 278
RouteCity Street 85
CountyDallas County
StateTexas
Coordinates32.85347, -96.7177
Functional classUrban Other Principal Arterial

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.
Substructure8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable 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
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length110 ft (33.5 m)
Longest span110 ft (33.5 m)
Deck width74 ft (22.6 m)
Roadway width55 ft (16.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,450 (2016)
Projected traffic1 by 1900
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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 Mockingbird/Peavy over Loop 12 built?

It was built in 2021, making it 4 years old in 2025.

What condition is Mockingbird/Peavy over Loop 12 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 December 2023.

How much traffic does Mockingbird/Peavy over Loop 12 carry?

About 10,450 vehicles per day (2016 count), of which roughly 4% are trucks.

How long is Mockingbird/Peavy over Loop 12?

The structure is 110 ft (33.5 m) long with a longest span of 110 ft (33.5 m) and a deck 74 ft wide.

Who owns Mockingbird/Peavy over Loop 12?

It is owned by the State Highway Agency.