US Bridges

IH 20 Conn G over IH 35E Sbfr

Fair

Dallas County, Texas · At Int IH 35E · Structure no. 180570237403180

Built
1974
51 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
199 ft
3 main spans
Daily traffic
18,854
2019 count
Owner
State
State Highway Agency

About this bridge

IH 20 Conn G over IH 35E Sbfr is a prestressed concrete continuous stringer/multi-beam or girder carrying IH 20 Conn G over IH 35E Sbfr in Dallas County, Texas. It was built in 1974, so it is 51 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 18,854 vehicles a day, projected to reach 26,396 by 2040. The structure is 199 ft (60.7 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesIH 20 Conn G
CrossesIH 35E Sbfr
LocationAt Int IH 35E
RouteState Highway 20
CountyDallas County
StateTexas
Coordinates32.64149, -96.82419
Functional classUrban Principal Arterial - Interstate

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.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length199 ft (60.7 m)
Longest span77 ft (23.5 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deck24 ft (7.2 m)

Traffic and service

Average daily traffic18,854 (2019)
Projected traffic26,396 by 2040
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 IH 20 Conn G over IH 35E Sbfr built?

It was built in 1974, making it 51 years old in 2025.

What condition is IH 20 Conn G over IH 35E Sbfr 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 October 2023.

How much traffic does IH 20 Conn G over IH 35E Sbfr carry?

About 18,854 vehicles per day (2019 count).

How long is IH 20 Conn G over IH 35E Sbfr?

The structure is 199 ft (60.7 m) long with a longest span of 77 ft (23.5 m) and a deck 26 ft wide.

Who owns IH 20 Conn G over IH 35E Sbfr?

It is owned by the State Highway Agency.