US Bridges

Lp 12 over Drainage Ditch

Fair

Dallas County, Texas · 0.10 MI SE of IH 35E · Structure no. 180570035304046

Built
1961
64 years old, rebuilt 2005
Condition
Fair
inspected January 2024
Type
Slab
Concrete
Length
144 ft
7 main spans
Daily traffic
23,898
2020 count
Owner
State
State Highway Agency

About this bridge

Lp 12 over Drainage Ditch is a concrete slab carrying Lp 12 over Drainage Ditch in Dallas County, Texas. It was built in 1961 and reconstructed in 2005, so it is 64 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 23,898 vehicles a day, roughly 2% of them trucks, projected to reach 45,160 by 2033. The structure is 144 ft (43.9 m) long and 109 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLp 12
CrossesDrainage Ditch
Location0.10 MI SE of IH 35E
RouteState Highway 12
StateTexas
Coordinates32.86191, -96.89218
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating39 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadH 20
Structure length144 ft (43.9 m)
Longest span21 ft (6.4 m)
Deck width109 ft (33.2 m)
Roadway width88 ft (26.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,898 (2020)
Projected traffic45,160 by 2033
Trucks2%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$31,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Lp 12 over Drainage Ditch built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2005.

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 23,898 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Lp 12 over Drainage Ditch?

The structure is 144 ft (43.9 m) long with a longest span of 21 ft (6.4 m) and a deck 109 ft wide.

Who owns Lp 12 over Drainage Ditch?

It is owned by the State Highway Agency.