US Bridges

US 175 WB Conn a over IH 20

Fair

Dallas County, Texas · US 175 & IH 20 Intrchange · Structure no. 180570237403563

Built
1971
54 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,936 ft
1 main span
Daily traffic
6,158
2019 count
Owner
State
State Highway Agency

About this bridge

US 175 WB Conn a over IH 20 is a steel continuous stringer/multi-beam or girder carrying US 175 WB Conn a over IH 20 in Dallas County, Texas. It was built in 1971, so it is 54 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 5 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 6,158 vehicles a day, projected to reach 8,621 by 2040. The structure is 1,936 ft (590.1 m) long and 26 ft wide.

Location

Open in Google Maps
CarriesUS 175 WB Conn a
CrossesIH 20
LocationUS 175 & IH 20 Intrchange
RouteState Highway 175
CountyDallas County
StateTexas
Coordinates32.69117, -96.63046
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39 US tons
Inventory rating23 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1 (+25 approach)
Design loadHS 20
Structure length1,936 ft (590.1 m)
Longest span156 ft (47.4 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck17 ft (5.2 m)

Traffic and service

Average daily traffic6,158 (2019)
Projected traffic8,621 by 2040
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesThird level (interchange)
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 175 WB Conn a over IH 20 built?

It was built in 1971, making it 54 years old in 2025.

What condition is US 175 WB Conn a 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 September 2023.

How much traffic does US 175 WB Conn a over IH 20 carry?

About 6,158 vehicles per day (2019 count).

How long is US 175 WB Conn a over IH 20?

The structure is 1,936 ft (590.1 m) long with a longest span of 156 ft (47.4 m) and a deck 26 ft wide.

Who owns US 175 WB Conn a over IH 20?

It is owned by the State Highway Agency.