US Bridges

SH 78 SB over SH 190

Good

Dallas County, Texas · SH 78 and SH 190 · Structure no. 180570028103040

Built
1991
34 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
370 ft
2 main spans
Daily traffic
20,874
2020 count
Owner
State
State Highway Agency

About this bridge

SH 78 SB over SH 190 is a prestressed concrete stringer/multi-beam or girder carrying SH 78 SB over SH 190 in Dallas County, Texas. It was built in 1991, so it is 34 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 20,874 vehicles a day, roughly 9% of them trucks, projected to reach 33,840 by 2036. The structure is 370 ft (112.8 m) long and 45 ft wide.

CarriesSH 78 SB
CrossesSH 190
LocationSH 78 and SH 190
RouteState Highway 78
StateTexas
Coordinates32.95057, -96.61895
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length370 ft (112.8 m)
Longest span115 ft (35.1 m)
Deck width45 ft (13.6 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,874 (2020)
Projected traffic33,840 by 2036
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 SH 78 SB over SH 190 built?

It was built in 1991, making it 34 years old in 2025.

What condition is SH 78 SB over SH 190 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 December 2023.

How much traffic does SH 78 SB over SH 190 carry?

About 20,874 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is SH 78 SB over SH 190?

The structure is 370 ft (112.8 m) long with a longest span of 115 ft (35.1 m) and a deck 45 ft wide.

Who owns SH 78 SB over SH 190?

It is owned by the State Highway Agency.