US Bridges

SH 161 over IH 20

Fair

Dallas County, Texas · SH 161 @ IH 20 · Structure no. 180570237404113

Built
2007
18 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
365 ft
2 main spans
Daily traffic
27,565
2022 count
Owner
State
State Highway Agency

About this bridge

SH 161 over IH 20 is a prestressed concrete stringer/multi-beam or girder carrying SH 161 over IH 20 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 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 27,565 vehicles a day, roughly 4% of them trucks, projected to reach 17,373 by 2041. The structure is 365 ft (111.3 m) long and 96 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSH 161
CrossesIH 20
LocationSH 161 @ IH 20
RouteState Highway 161
CountyDallas County
StateTexas
Coordinates32.67549, -97.02369
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum 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 spans2 (+2 approach)
Design loadHS 20
Structure length365 ft (111.3 m)
Longest span120 ft (36.6 m)
Deck width96 ft (29.3 m)
Roadway width82 ft (25 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,565 (2022)
Projected traffic17,373 by 2041
Trucks4%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 161 over IH 20 built?

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

What condition is SH 161 over IH 20 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 June 2023.

How much traffic does SH 161 over IH 20 carry?

About 27,565 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is SH 161 over IH 20?

The structure is 365 ft (111.3 m) long with a longest span of 120 ft (36.6 m) and a deck 96 ft wide.

Who owns SH 161 over IH 20?

It is owned by the State Highway Agency.