US Bridges

IH 35E SB over Drainage Ditch

Fair

Dallas County, Texas · 3.2 MI NW of Mockingbird · Structure no. 180570019603283

Built
1961
64 years old, rebuilt 2014
Condition
Fair
inspected April 2024
Type
Slab
Concrete
Length
286 ft
9 main spans
Daily traffic
52,733
2023 count
Owner
State
State Highway Agency

About this bridge

IH 35E SB over Drainage Ditch is a concrete slab carrying IH 35E SB over Drainage Ditch in Dallas County, Texas. It was built in 1961 and reconstructed in 2014, 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 5 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 52,733 vehicles a day, roughly 10% of them trucks, projected to reach 88,030 by 2033. The structure is 286 ft (87.2 m) long and 81 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesIH 35E SB
CrossesDrainage Ditch
Location3.2 MI NW of Mockingbird
RouteInterstate 35
CountyDallas County
StateTexas
Coordinates32.86037, -96.89222
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating34 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length286 ft (87.2 m)
Longest span33 ft (10.1 m)
Deck width81 ft (24.6 m)
Roadway width70 ft (21.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic52,733 (2023)
Projected traffic88,030 by 2033
Trucks10%
Lanes on structure4
Traffic directionOne-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 byPrivate (other than railroad)
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 SB over Drainage Ditch built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2014.

What condition is IH 35E SB 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 SB over Drainage Ditch carry?

About 52,733 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is IH 35E SB over Drainage Ditch?

The structure is 286 ft (87.2 m) long with a longest span of 33 ft (10.1 m) and a deck 81 ft wide.

Who owns IH 35E SB over Drainage Ditch?

It is owned by the State Highway Agency and maintained by the Private (other than railroad).