US Bridges

Sapphire Bay NB over IH-30

Good

Dallas County, Texas · 0000 · Structure no. 180570000911500

Built
2023
2 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
250 ft
2 main spans
Daily traffic
20,450
2023 count
Owner
State
State Highway Agency

About this bridge

Sapphire Bay NB over IH-30 is a prestressed concrete stringer/multi-beam or girder carrying Sapphire Bay NB over IH-30 in Dallas County, Texas. It was built in 2023, so it is 2 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 20,450 vehicles a day, projected to reach 1 by 1900. The structure is 250 ft (76.2 m) long and 84 ft wide.

Location

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CarriesSapphire Bay NB
CrossesIH-30
Location0000
RouteState Highway 0
CountyDallas County
StateTexas
Coordinates32.8745, -96.51932
Functional classUrban Other Principal Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
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 spans2
Design loadHL 93
Structure length250 ft (76.2 m)
Longest span125 ft (38.1 m)
Deck width84 ft (25.7 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,450 (2023)
Projected traffic1 by 1900
Trucks0%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

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 Sapphire Bay NB over IH-30 built?

It was built in 2023, making it 2 years old in 2025.

What condition is Sapphire Bay NB over IH-30 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 January 2024.

How much traffic does Sapphire Bay NB over IH-30 carry?

About 20,450 vehicles per day (2023 count).

How long is Sapphire Bay NB over IH-30?

The structure is 250 ft (76.2 m) long with a longest span of 125 ft (38.1 m) and a deck 84 ft wide.

Who owns Sapphire Bay NB over IH-30?

It is owned by the State Highway Agency.