US Bridges

Loop 12 over Drainage Ditch

Good

Dallas County, Texas · 0.02 MI NE of SP 348 · Structure no. 180570058102054

Built
1962
63 years old, rebuilt 2005
Condition
Good
inspected January 2024
Type
Culvert
Concrete
Length
34 ft
5 main spans
Daily traffic
118,000
2012 count
Owner
State
State Highway Agency

About this bridge

Loop 12 over Drainage Ditch is a concrete culvert carrying Loop 12 over Drainage Ditch in Dallas County, Texas. It was built in 1962 and reconstructed in 2005, so it is 63 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 118,000 vehicles a day, roughly 6% of them trucks, projected to reach 165,200 by 2032. The structure is 34 ft (10.4 m) long.

CarriesLoop 12
CrossesDrainage Ditch
Location0.02 MI NE of SP 348
RouteState Highway 348
StateTexas
Coordinates32.86461, -96.90021
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
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
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic118,000 (2012)
Projected traffic165,200 by 2032
Trucks6%
Lanes on structure15
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo
Strategic Highway NetworkInterstate STRAHNET route

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 Loop 12 over Drainage Ditch built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2005.

What condition is Loop 12 over Drainage Ditch 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 January 2024.

How much traffic does Loop 12 over Drainage Ditch carry?

About 118,000 vehicles per day (2012 count), of which roughly 6% are trucks.

How long is Loop 12 over Drainage Ditch?

The structure is 34 ft (10.4 m) long with a longest span of 6 ft (1.8 m).

Who owns Loop 12 over Drainage Ditch?

It is owned by the State Highway Agency.