US Bridges

Spur 366 Line C over US 75 & Ross Ave

Fair

Dallas County, Texas · US 75 & SP 366 Intrchange · Structure no. 180570004707261

Built
1983
42 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
2,406 ft
3 main spans
Daily traffic
13,414
2016 count
Owner
State
State Highway Agency

About this bridge

Spur 366 Line C over US 75 & Ross Ave is a steel continuous stringer/multi-beam or girder carrying Spur 366 Line C over US 75 & Ross Ave in Dallas County, Texas. It was built in 1983, so it is 42 years old, younger 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 13,414 vehicles a day, roughly 2% of them trucks, projected to reach 22,170 by 2038. The structure is 2,406 ft (733.3 m) long and 37 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSpur 366 Line C
CrossesUS 75 & Ross Ave
LocationUS 75 & SP 366 Intrchange
RouteState Highway 366
CountyDallas County
StateTexas
Coordinates32.79182, -96.79202
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
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 rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckCorrugated steel
Main spans3 (+18 approach)
Design loadHS 20
Structure length2,406 ft (733.3 m)
Longest span208 ft (63.4 m)
Deck width37 ft (11.2 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,414 (2016)
Projected traffic22,170 by 2038
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Spur 366 Line C over US 75 & Ross Ave built?

It was built in 1983, making it 42 years old in 2025.

What condition is Spur 366 Line C over US 75 & Ross 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 2024.

How much traffic does Spur 366 Line C over US 75 & Ross Ave carry?

About 13,414 vehicles per day (2016 count), of which roughly 2% are trucks.

How long is Spur 366 Line C over US 75 & Ross Ave?

The structure is 2,406 ft (733.3 m) long with a longest span of 208 ft (63.4 m) and a deck 37 ft wide.

Who owns Spur 366 Line C over US 75 & Ross Ave?

It is owned by the State Highway Agency.