US Bridges

SH 161 NB Off-Ramp over Sump & Drain

Good

Dallas County, Texas · 1.20 MI South of SH 183 · Structure no. 180570296401486

Built
2011
14 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
572 ft
4 main spans
Daily traffic
5,000
2016 count
Owner
Toll Authority
Local Toll Authority

About this bridge

SH 161 NB Off-Ramp over Sump & Drain is a prestressed concrete stringer/multi-beam or girder carrying SH 161 NB Off-Ramp over Sump & Drain in Dallas County, Texas. It was built in 2011, so it is 14 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 5,000 vehicles a day, roughly 5% of them trucks, projected to reach 10,000 by 2036. The structure is 572 ft (174.3 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSH 161 NB Off-Ramp
CrossesSump & Drain
Location1.20 MI South of SH 183
CountyDallas County
StateTexas
Coordinates32.82193, -97.01729
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
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, precast panels
Main spans4 (+2 approach)
Design loadHS 20
Structure length572 ft (174.3 m)
Longest span118 ft (36 m)
Deck width26 ft (7.9 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2016)
Projected traffic10,000 by 2036
Trucks5%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemNo

Ownership and planned work

OwnerLocal Toll Authority
Maintained byLocal Toll Authority
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 SH 161 NB Off-Ramp over Sump & Drain built?

It was built in 2011, making it 14 years old in 2025.

What condition is SH 161 NB Off-Ramp over Sump & Drain 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 May 2024.

How much traffic does SH 161 NB Off-Ramp over Sump & Drain carry?

About 5,000 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is SH 161 NB Off-Ramp over Sump & Drain?

The structure is 572 ft (174.3 m) long with a longest span of 118 ft (36 m) and a deck 26 ft wide.

Who owns SH 161 NB Off-Ramp over Sump & Drain?

It is owned by the Local Toll Authority.