US Bridges

Dallas No. Tollway over Forest Lane

Fair

Dallas County, Texas · 1.2 MI S of Lbj Freeway · Structure no. 1805709D0470025

Built
1966
59 years old, rebuilt 1983
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
172 ft
2 main spans
Daily traffic
125,690
2017 count
Owner
Toll Authority
Local Toll Authority

About this bridge

Dallas No. Tollway over Forest Lane is a prestressed concrete stringer/multi-beam or girder carrying Dallas No. Tollway over Forest Lane in Dallas County, Texas. It was built in 1966 and reconstructed in 1983, 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 125,690 vehicles a day, roughly 4% of them trucks, projected to reach 175,970 by 2037. The structure is 172 ft (52.4 m) long and 106 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesDallas No. Tollway
CrossesForest Lane
Location1.2 MI S of Lbj Freeway
CountyDallas County
StateTexas
Coordinates32.90948, -96.81453
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 inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadUnknown
Structure length172 ft (52.4 m)
Longest span59 ft (18 m)
Deck width106 ft (32.2 m)
Roadway width98 ft (29.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125,690 (2017)
Projected traffic175,970 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 No. Tollway over Forest Lane built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1983.

What condition is Dallas No. Tollway over Forest Lane 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 February 2023.

How much traffic does Dallas No. Tollway over Forest Lane carry?

About 125,690 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Dallas No. Tollway over Forest Lane?

The structure is 172 ft (52.4 m) long with a longest span of 59 ft (18 m) and a deck 106 ft wide.

Who owns Dallas No. Tollway over Forest Lane?

It is owned by the Local Toll Authority.