US Bridges

Dallas N. Tollway over Lemmon Ave

Fair

Dallas County, Texas · 1.8 Miles North of IH 35E · Structure no. 1805709D0470029

Built
1966
59 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
117 ft
1 main span
Daily traffic
78,334
2017 count
Owner
Toll Authority
Local Toll Authority

About this bridge

Dallas N. Tollway over Lemmon Ave is a steel stringer/multi-beam or girder carrying Dallas N. Tollway over Lemmon Ave in Dallas County, Texas. It was built in 1966, so it is 59 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 78,334 vehicles a day, roughly 4% of them trucks, projected to reach 109,670 by 2037. The structure is 117 ft (35.7 m) long and 98 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesDallas N. Tollway
CrossesLemmon Ave
Location1.8 Miles North of IH 35E
CountyDallas County
StateTexas
Coordinates32.82153, -96.81686
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length117 ft (35.7 m)
Longest span116 ft (35.4 m)
Deck width98 ft (30 m)
Roadway width94 ft (28.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic78,334 (2017)
Projected traffic109,670 by 2037
Trucks4%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerLocal Toll Authority
Maintained byLocal Toll Authority
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Dallas N. Tollway over Lemmon Ave built?

It was built in 1966, making it 59 years old in 2025.

What condition is Dallas N. Tollway over Lemmon Ave 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 May 2023.

How much traffic does Dallas N. Tollway over Lemmon Ave carry?

About 78,334 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Dallas N. Tollway over Lemmon Ave?

The structure is 117 ft (35.7 m) long with a longest span of 116 ft (35.4 m) and a deck 98 ft wide.

Who owns Dallas N. Tollway over Lemmon Ave?

It is owned by the Local Toll Authority.