US Bridges

US 175 EB Conn B over IH 20

Fair

Dallas County, Texas · US 175 & IH 20 Intrchange · Structure no. 180570237403564

Built
1971
54 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,546 ft
4 main spans
Daily traffic
15,503
2019 count
Owner
State
State Highway Agency

About this bridge

US 175 EB Conn B over IH 20 is a steel continuous stringer/multi-beam or girder carrying US 175 EB Conn B 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 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 15,503 vehicles a day, projected to reach 21,424 by 2040. The structure is 1,546 ft (471.2 m) long and 26 ft wide.

Location

Open in Google Maps
CarriesUS 175 EB Conn B
CrossesIH 20
LocationUS 175 & IH 20 Intrchange
RouteU.S. Route 175
CountyDallas County
StateTexas
Coordinates32.69146, -96.63394
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 rating40 US tons
Inventory rating24 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4 (+16 approach)
Design loadHS 20
Structure length1,546 ft (471.2 m)
Longest span152 ft (46.3 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 traffic15,503 (2019)
Projected traffic21,424 by 2040
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an 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 EB Conn B over IH 20 built?

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

What condition is US 175 EB Conn B 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 EB Conn B over IH 20 carry?

About 15,503 vehicles per day (2019 count).

How long is US 175 EB Conn B over IH 20?

The structure is 1,546 ft (471.2 m) long with a longest span of 152 ft (46.3 m) and a deck 26 ft wide.

Who owns US 175 EB Conn B over IH 20?

It is owned by the State Highway Agency.