US Bridges

IH 35E NB over Lewisville Lake

Fair

Denton County, Texas · 5.40 MI NW of SH 121 Bus · Structure no. 180610019602179

Built
1972
53 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
2,125 ft
25 main spans
Daily traffic
83,797
2023 count
Owner
State
State Highway Agency

About this bridge

IH 35E NB over Lewisville Lake is a prestressed concrete stringer/multi-beam or girder carrying IH 35E NB over Lewisville Lake in Denton County, Texas. It was built in 1972, so it is 53 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 83,797 vehicles a day, roughly 10% of them trucks, projected to reach 95,230 by 2033. The structure is 2,125 ft (647.7 m) long and 57 ft wide.

CarriesIH 35E NB
CrossesLewisville Lake
Location5.40 MI NW of SH 121 Bus
RouteInterstate 35
StateTexas
Coordinates33.10196, -97.02789
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating31 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans25
Design loadHS 20
Structure length2,125 ft (647.7 m)
Longest span85 ft (25.9 m)
Deck width57 ft (17.4 m)
Roadway width54 ft (16.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic83,797 (2023)
Projected traffic95,230 by 2033
Trucks10%
Lanes on structure4
Traffic directionOne-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 NB over Lewisville Lake built?

It was built in 1972, making it 53 years old in 2025.

What condition is IH 35E NB over Lewisville Lake 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 35E NB over Lewisville Lake carry?

About 83,797 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is IH 35E NB over Lewisville Lake?

The structure is 2,125 ft (647.7 m) long with a longest span of 85 ft (25.9 m) and a deck 57 ft wide.

Who owns IH 35E NB over Lewisville Lake?

It is owned by the State Highway Agency.