US Bridges

Northgate DR WB over SH 161

Good

Dallas County, Texas · 3.75 MI SW of SH 114 · Structure no. 180570296401017

Built
1992
33 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
303 ft
2 main spans
Daily traffic
4,700
2016 count
Owner
State
State Highway Agency

About this bridge

Northgate DR WB over SH 161 is a prestressed concrete stringer/multi-beam or girder carrying Northgate DR WB over SH 161 in Dallas County, Texas. It was built in 1992, so it is 33 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 4,700 vehicles a day, projected to reach 8,400 by 2036. The structure is 303 ft (92.4 m) long and 77 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNorthgate DR WB
CrossesSH 161
Location3.75 MI SW of SH 114
RouteCity Street 0
StateTexas
Coordinates32.85722, -97.01249
Functional classUrban Local

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 inspectionFebruary 2024
Inspection intervalevery 48 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 (+1 approach)
Design loadHS 20
Structure length303 ft (92.4 m)
Longest span128 ft (39 m)
Deck width77 ft (23.5 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,700 (2016)
Projected traffic8,400 by 2036
Trucks0%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
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 Northgate DR WB over SH 161 built?

It was built in 1992, making it 33 years old in 2025.

What condition is Northgate DR WB over SH 161 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 Northgate DR WB over SH 161 carry?

About 4,700 vehicles per day (2016 count).

How long is Northgate DR WB over SH 161?

The structure is 303 ft (92.4 m) long with a longest span of 128 ft (39 m) and a deck 77 ft wide.

Who owns Northgate DR WB over SH 161?

It is owned by the State Highway Agency.