US Bridges

IH 20 over Drainage Ditch

Good

Dallas County, Texas · 0.7 MI W of SH 342 · Structure no. 180570237403145

Built
1971
54 years old, rebuilt 2006
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
152,210
2020 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 and reconstructed in 2006, 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 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 152,210 vehicles a day, roughly 20% of them trucks, projected to reach 304,420 by 2040. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesIH 20
CrossesDrainage Ditch
Location0.7 MI W of SH 342
RouteInterstate 20
CountyDallas County
StateTexas
Coordinates32.64385, -96.79376
Functional classUrban Principal Arterial - Interstate

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
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 spans3
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic152,210 (2020)
Projected traffic304,420 by 2040
Trucks20%
Lanes on structure12
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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. It was reconstructed in 2006.

What condition is IH 20 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 October 2023.

How much traffic does IH 20 over Drainage Ditch carry?

About 152,210 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is IH 20 over Drainage Ditch?

The structure is 31 ft (9.4 m) long with a longest span of 8 ft (2.4 m).

Who owns IH 20 over Drainage Ditch?

It is owned by the State Highway Agency.