US Bridges

IH 35E & IH 35W over Drain

Fair

Denton County, Texas · 1.8 MI NW of US 377 · Structure no. 180610008113142

Built
1970
55 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
29 ft
3 main spans
Daily traffic
99,803
2023 count
Owner
State
State Highway Agency

About this bridge

IH 35E & IH 35W over Drain is a concrete culvert carrying IH 35E & IH 35W over Drain in Denton County, Texas. It was built in 1970, so it is 55 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 99,803 vehicles a day, roughly 7% of them trucks, projected to reach 61,440 by 2033. The structure is 29 ft (8.8 m) long and 630 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesIH 35E & IH 35W
CrossesDrain
Location1.8 MI NW of US 377
RouteInterstate 35
CountyDenton County
StateTexas
Coordinates33.21856, -97.17018
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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span7 ft (2.1 m)
Deck width630 ft (192 m)
Roadway width46 ft (13.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic99,803 (2023)
Projected traffic61,440 by 2033
Trucks7%
Lanes on structure13
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 35E & IH 35W over Drain built?

It was built in 1970, making it 55 years old in 2025.

What condition is IH 35E & IH 35W over Drain 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 November 2023.

How much traffic does IH 35E & IH 35W over Drain carry?

About 99,803 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is IH 35E & IH 35W over Drain?

The structure is 29 ft (8.8 m) long with a longest span of 7 ft (2.1 m) and a deck 630 ft wide.

Who owns IH 35E & IH 35W over Drain?

It is owned by the State Highway Agency.