US Bridges

SH 161 over Trib Cottonwood CR

Fair

Dallas County, Texas · 2.20 MI N of IH 20 · Structure no. 180570296401059

Built
1967
58 years old, rebuilt 2012
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
41 ft
3 main spans
Daily traffic
50,000
2015 count
Owner
Toll Authority
Local Toll Authority

About this bridge

SH 161 over Trib Cottonwood CR is a concrete culvert carrying SH 161 over Trib Cottonwood CR in Dallas County, Texas. It was built in 1967 and reconstructed in 2012, so it is 58 years old, older 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 50,000 vehicles a day, roughly 1% of them trucks, projected to reach 90,000 by 2035. The structure is 41 ft (12.5 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSH 161
CrossesTrib Cottonwood CR
Location2.20 MI N of IH 20
CountyDallas County
StateTexas
Coordinates32.70823, -97.02477
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length41 ft (12.5 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50,000 (2015)
Projected traffic90,000 by 2035
Trucks1%
Lanes on structure11
Traffic directionTwo-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 over Trib Cottonwood CR built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 2012.

What condition is SH 161 over Trib Cottonwood CR 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 May 2024.

How much traffic does SH 161 over Trib Cottonwood CR carry?

About 50,000 vehicles per day (2015 count), of which roughly 1% are trucks.

How long is SH 161 over Trib Cottonwood CR?

The structure is 41 ft (12.5 m) long with a longest span of 8 ft (2.4 m).

Who owns SH 161 over Trib Cottonwood CR?

It is owned by the Local Toll Authority.