US Bridges

IH 35E over Drainage Ditch

Fair

Dallas County, Texas · 2.5 MI NW of Mockingbird · Structure no. 180570019603148

Built
1961
64 years old, rebuilt 1975
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
107,445
2023 count
Owner
State
State Highway Agency

About this bridge

IH 35E over Drainage Ditch is a concrete culvert carrying IH 35E over Drainage Ditch in Dallas County, Texas. It was built in 1961 and reconstructed in 1975, 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 107,445 vehicles a day, roughly 10% of them trucks, projected to reach 180,160 by 2033. The structure is 22 ft (6.7 m) long.

CarriesIH 35E
CrossesDrainage Ditch
Location2.5 MI NW of Mockingbird
RouteInterstate 35
StateTexas
Coordinates32.85254, -96.88376
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
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 adequacy7: Better than present minimum 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 length22 ft (6.7 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 traffic107,445 (2023)
Projected traffic180,160 by 2033
Trucks10%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 35E over Drainage Ditch built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1975.

What condition is IH 35E 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 April 2024.

How much traffic does IH 35E over Drainage Ditch carry?

About 107,445 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is IH 35E over Drainage Ditch?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns IH 35E over Drainage Ditch?

It is owned by the State Highway Agency.