US Bridges

Royal Lane over Dallas N Tollway

Fair

Dallas County, Texas · 0.6 MI E of Inwood RD · Structure no. 1805709R7770031

Built
1966
59 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
104 ft
1 main span
Daily traffic
23,385
2019 count
Owner
Toll Authority
Local Toll Authority

About this bridge

Royal Lane over Dallas N Tollway is a steel stringer/multi-beam or girder carrying Royal Lane over Dallas N Tollway 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 23,385 vehicles a day, roughly 3% of them trucks, projected to reach 40,920 by 2037. The structure is 104 ft (31.7 m) long and 94 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRoyal Lane
CrossesDallas N Tollway
Location0.6 MI E of Inwood RD
CountyDallas County
StateTexas
Coordinates32.89488, -96.80934
Functional classUrban Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating28 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length104 ft (31.7 m)
Longest span103 ft (31.4 m)
Deck width94 ft (28.7 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,385 (2019)
Projected traffic40,920 by 2037
Trucks3%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerLocal Toll Authority
Maintained byLocal Toll Authority
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$21,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Royal Lane over Dallas N Tollway built?

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

What condition is Royal Lane over Dallas N Tollway 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 April 2023.

How much traffic does Royal Lane over Dallas N Tollway carry?

About 23,385 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is Royal Lane over Dallas N Tollway?

The structure is 104 ft (31.7 m) long with a longest span of 103 ft (31.4 m) and a deck 94 ft wide.

Who owns Royal Lane over Dallas N Tollway?

It is owned by the Local Toll Authority.