US Bridges

SP 366 Off-Ramp R over R.O.W.

Good

Dallas County, Texas · 0.1 MI W of IH 35E · Structure no. 180570019607445

Built
2011
14 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
499 ft
4 main spans
Daily traffic
36,916
2023 count
Owner
State
State Highway Agency

About this bridge

SP 366 Off-Ramp R over R.O.W. is a prestressed concrete stringer/multi-beam or girder carrying SP 366 Off-Ramp R over R.O.W. in Dallas County, Texas. It was built in 2011, so it is 14 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 36,916 vehicles a day, roughly 1% of them trucks, projected to reach 5,100 by 2032. The structure is 499 ft (152.1 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSP 366 Off-Ramp R
CrossesR.O.W.
Location0.1 MI W of IH 35E
RouteState Highway 366
StateTexas
Coordinates32.78156, -96.81468
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length499 ft (152.1 m)
Longest span125 ft (38.1 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,916 (2023)
Projected traffic5,100 by 2032
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SP 366 Off-Ramp R over R.O.W. built?

It was built in 2011, making it 14 years old in 2025.

What condition is SP 366 Off-Ramp R over R.O.W. in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2024.

How much traffic does SP 366 Off-Ramp R over R.O.W. carry?

About 36,916 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is SP 366 Off-Ramp R over R.O.W.?

The structure is 499 ft (152.1 m) long with a longest span of 125 ft (38.1 m) and a deck 30 ft wide.

Who owns SP 366 Off-Ramp R over R.O.W.?

It is owned by the State Highway Agency.