US Bridges

IH 35E Nbfr over Lewisville Lake

Fair

Denton County, Texas · 5.40 MI NW of SH 121 Bus · Structure no. 180610019602054

Built
1954
71 years old, rebuilt 1972
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,020 ft
12 main spans
Daily traffic
83,797
2023 count
Owner
State
State Highway Agency

About this bridge

IH 35E Nbfr over Lewisville Lake is a steel continuous stringer/multi-beam or girder carrying IH 35E Nbfr over Lewisville Lake in Denton County, Texas. It was built in 1954 and reconstructed in 1972, so it is 71 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 1,020 ft (310.9 m) long and 59 ft wide.

CarriesIH 35E Nbfr
CrossesLewisville Lake
Location5.40 MI NW of SH 121 Bus
RouteInterstate 35
StateTexas
Coordinates33.10195, -97.0277
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.9 US tons
Inventory rating38 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans12
Design loadHS 20
Structure length1,020 ft (310.9 m)
Longest span85 ft (25.9 m)
Deck width59 ft (18 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic83,797 (2023)
Projected traffic95,230 by 2033
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
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 Nbfr over Lewisville Lake built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1972.

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

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

How long is IH 35E Nbfr over Lewisville Lake?

The structure is 1,020 ft (310.9 m) long with a longest span of 85 ft (25.9 m) and a deck 59 ft wide.

Who owns IH 35E Nbfr over Lewisville Lake?

It is owned by the State Highway Agency.