US Bridges

SP366/CALATRAVABDG over Trinity River

Fair

Dallas County, Texas · 0.8 MI W of IH 35E · Structure no. 180570019607108

Built
2012
13 years old
Condition
Fair
inspected February 2024
Type
Suspension
Steel
Length
1,957 ft
2 main spans
Daily traffic
53,310
2013 count
Owner
City
City or Municipal Highway Agency

About this bridge

SP366/CALATRAVABDG over Trinity River is a steel suspension carrying SP366/CALATRAVABDG over Trinity River in Dallas County, Texas. It was built in 2012, so it is 13 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 5 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 53,310 vehicles a day, roughly 5% of them trucks, projected to reach 74,640 by 2033. The structure is 1,957 ft (596.5 m) long and 120 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSP366/CALATRAVABDG
CrossesTrinity River
Location0.8 MI W of IH 35E
RouteState Highway 366
CountyDallas County
StateTexas
Coordinates32.77985, -96.82234
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeSuspension
MaterialSteel
DeckConcrete, cast-in-place
Main spans2 (+8 approach)
Design loadHL 93
Structure length1,957 ft (596.5 m)
Longest span601 ft (183.2 m)
Deck width120 ft (36.7 m)
Roadway width112 ft (34.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic53,310 (2013)
Projected traffic74,640 by 2033
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 SP366/CALATRAVABDG over Trinity River built?

It was built in 2012, making it 13 years old in 2025.

What condition is SP366/CALATRAVABDG over Trinity River 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 2024.

How much traffic does SP366/CALATRAVABDG over Trinity River carry?

About 53,310 vehicles per day (2013 count), of which roughly 5% are trucks.

How long is SP366/CALATRAVABDG over Trinity River?

The structure is 1,957 ft (596.5 m) long with a longest span of 601 ft (183.2 m) and a deck 120 ft wide.

Who owns SP366/CALATRAVABDG over Trinity River?

It is owned by the City or Municipal Highway Agency.