US Bridges

IH 635 EB over Royal LN

Fair

Dallas County, Texas · 8.0 MI W of IH 35E · Structure no. 180570237407345

Built
1979
46 years old, rebuilt 2021
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
227 ft
1 main span
Daily traffic
46,882
2021 count
Owner
State
State Highway Agency

About this bridge

IH 635 EB over Royal LN is a prestressed concrete stringer/multi-beam or girder carrying IH 635 EB over Royal LN in Dallas County, Texas. It was built in 1979 and reconstructed in 2021, so it is 46 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 46,882 vehicles a day, roughly 9% of them trucks, projected to reach 95,502 by 2040. The structure is 227 ft (69.2 m) long and 81 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIH 635 EB
CrossesRoyal LN
Location8.0 MI W of IH 35E
RouteInterstate 635
CountyDallas County
StateTexas
Coordinates32.94529, -97.02231
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 48 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 rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length227 ft (69.2 m)
Longest span125 ft (38.1 m)
Deck width81 ft (24.8 m)
Roadway width79 ft (24.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46,882 (2021)
Projected traffic95,502 by 2040
Trucks9%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 635 EB over Royal LN built?

It was built in 1979, making it 46 years old in 2025. It was reconstructed in 2021.

What condition is IH 635 EB over Royal LN 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 August 2023.

How much traffic does IH 635 EB over Royal LN carry?

About 46,882 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is IH 635 EB over Royal LN?

The structure is 227 ft (69.2 m) long with a longest span of 125 ft (38.1 m) and a deck 81 ft wide.

Who owns IH 635 EB over Royal LN?

It is owned by the State Highway Agency.