US Bridges

IH 20 over Drainage Ditch

Fair

Dallas County, Texas · 0.4 MI E of SH 342 · Structure no. 180570237403143

Built
1971
54 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
3,645
2023 count
Owner
State
State Highway Agency

About this bridge

IH 20 over Drainage Ditch is a concrete culvert carrying IH 20 over Drainage Ditch in Dallas County, Texas. It was built in 1971, so it is 54 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 3,645 vehicles a day, roughly 21% of them trucks, projected to reach 293,699 by 2040. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesIH 20
CrossesDrainage Ditch
Location0.4 MI E of SH 342
RouteInterstate 20
CountyDallas County
StateTexas
Coordinates32.64935, -96.77383
Functional classUrban Principal Arterial - Interstate

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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,645 (2023)
Projected traffic293,699 by 2040
Trucks21%
Lanes on structure12
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
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 IH 20 over Drainage Ditch built?

It was built in 1971, making it 54 years old in 2025.

What condition is IH 20 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 October 2023.

How much traffic does IH 20 over Drainage Ditch carry?

About 3,645 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is IH 20 over Drainage Ditch?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3 m).

Who owns IH 20 over Drainage Ditch?

It is owned by the State Highway Agency.