US Bridges

SH 161 NB FR over Kirby Creek

Good

Dallas County, Texas · 1.30 MI N of IH 20 · Structure no. 180570296401023

Built
2007
18 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
675 ft
5 main spans
Daily traffic
7,000
2015 count
Owner
Toll Authority
Local Toll Authority

About this bridge

SH 161 NB FR over Kirby Creek is a steel stringer/multi-beam or girder carrying SH 161 NB FR over Kirby Creek in Dallas County, Texas. It was built in 2007, so it is 18 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 7,000 vehicles a day, roughly 4% of them trucks, projected to reach 9,600 by 2035. The structure is 675 ft (205.7 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSH 161 NB FR
CrossesKirby Creek
Location1.30 MI N of IH 20
RouteState Highway 161
CountyDallas County
StateTexas
Coordinates32.69597, -97.02404
Functional classUrban Collector

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: 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
MaterialSteel
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length675 ft (205.7 m)
Longest span135 ft (41.1 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,000 (2015)
Projected traffic9,600 by 2035
Trucks4%
Lanes on structure3
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 FR over Kirby Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is SH 161 NB FR over Kirby Creek 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 FR over Kirby Creek carry?

About 7,000 vehicles per day (2015 count), of which roughly 4% are trucks.

How long is SH 161 NB FR over Kirby Creek?

The structure is 675 ft (205.7 m) long with a longest span of 135 ft (41.1 m) and a deck 42 ft wide.

Who owns SH 161 NB FR over Kirby Creek?

It is owned by the Local Toll Authority.