US Bridges

Lp 12 Conn to IH30 over Lp 12

Good

Dallas County, Texas · 1.1 MI N of W Davis ST · Structure no. 180570058102083

Built
1980
45 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
339 ft
3 main spans
Daily traffic
6,000
2016 count
Owner
State
State Highway Agency

About this bridge

Lp 12 Conn to IH30 over Lp 12 is a prestressed concrete stringer/multi-beam or girder carrying Lp 12 Conn to IH30 over Lp 12 in Dallas County, Texas. It was built in 1980, so it is 45 years old, older 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 6,000 vehicles a day, roughly 5% of them trucks, projected to reach 7,000 by 2036. The structure is 339 ft (103.3 m) long and 64 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLp 12 Conn to IH30
CrossesLp 12
Location1.1 MI N of W Davis ST
RouteState Highway 12
StateTexas
Coordinates32.76439, -96.91529
Functional classUrban Collector

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 inspectionFebruary 2024
Inspection intervalevery 24 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

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3 (+1 approach)
Design loadHS 20
Structure length339 ft (103.3 m)
Longest span98 ft (29.9 m)
Deck width64 ft (19.6 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,000 (2016)
Projected traffic7,000 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 Lp 12 Conn to IH30 over Lp 12 built?

It was built in 1980, making it 45 years old in 2025.

What condition is Lp 12 Conn to IH30 over Lp 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 February 2024.

How much traffic does Lp 12 Conn to IH30 over Lp 12 carry?

About 6,000 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Lp 12 Conn to IH30 over Lp 12?

The structure is 339 ft (103.3 m) long with a longest span of 98 ft (29.9 m) and a deck 64 ft wide.

Who owns Lp 12 Conn to IH30 over Lp 12?

It is owned by the State Highway Agency.