US Bridges

Lp 12 over Drainage Ditch

Fair

Dallas County, Texas · 1.2 MI S of SH 183 · Structure no. 180570058102012

Built
1948
77 years old, rebuilt 1969
Condition
Fair
inspected January 2024
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
101,920
2013 count
Owner
State
State Highway Agency

About this bridge

Lp 12 over Drainage Ditch is a concrete culvert carrying Lp 12 over Drainage Ditch in Dallas County, Texas. It was built in 1948 and reconstructed in 1969, so it is 77 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 101,920 vehicles a day, roughly 7% of them trucks, projected to reach 142,690 by 2033. The structure is 30 ft (9.1 m) long and 299 ft wide.

CarriesLp 12
CrossesDrainage Ditch
Location1.2 MI S of SH 183
RouteState Highway 12
StateTexas
Coordinates32.82056, -96.92111
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span10 ft (3 m)
Deck width299 ft (91.2 m)
Roadway width196 ft (59.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic101,920 (2013)
Projected traffic142,690 by 2033
Trucks7%
Lanes on structure11
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lp 12 over Drainage Ditch built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 1969.

What condition is Lp 12 over Drainage Ditch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2024.

How much traffic does Lp 12 over Drainage Ditch carry?

About 101,920 vehicles per day (2013 count), of which roughly 7% are trucks.

How long is Lp 12 over Drainage Ditch?

The structure is 30 ft (9.1 m) long with a longest span of 10 ft (3 m) and a deck 299 ft wide.

Who owns Lp 12 over Drainage Ditch?

It is owned by the State Highway Agency.