US Bridges

SH 161 Nbml over SH 114

Fair

Dallas County, Texas · 2.00 MI SW of IH 635 · Structure no. 180570035306463

Built
2001
24 years old
Condition
Fair
inspected March 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
837 ft
9 main spans
Daily traffic
10,000
2011 count
Owner
Toll Authority
Local Toll Authority

About this bridge

SH 161 Nbml over SH 114 is a prestressed concrete stringer/multi-beam or girder carrying SH 161 Nbml over SH 114 in Dallas County, Texas. It was built in 2001, so it is 24 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 6 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 10,000 vehicles a day, roughly 5% of them trucks, projected to reach 12,800 by 2031. The structure is 837 ft (255.1 m) long and 70 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSH 161 Nbml
CrossesSH 114
Location2.00 MI SW of IH 635
CountyDallas County
StateTexas
Coordinates32.89628, -96.97107
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior 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 spans9
Design loadHS 20
Structure length837 ft (255.1 m)
Longest span115 ft (35.1 m)
Deck width70 ft (21.3 m)
Roadway width67 ft (20.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,000 (2011)
Projected traffic12,800 by 2031
Trucks5%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SH 161 Nbml over SH 114 built?

It was built in 2001, making it 24 years old in 2025.

What condition is SH 161 Nbml over SH 114 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 March 2022.

How much traffic does SH 161 Nbml over SH 114 carry?

About 10,000 vehicles per day (2011 count), of which roughly 5% are trucks.

How long is SH 161 Nbml over SH 114?

The structure is 837 ft (255.1 m) long with a longest span of 115 ft (35.1 m) and a deck 70 ft wide.

Who owns SH 161 Nbml over SH 114?

It is owned by the Local Toll Authority.