US Bridges

IH 20 Conn H over IH 35E NB FR

Fair

Dallas County, Texas · At Int IH 35E · Structure no. 180570237403187

Built
1974
51 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
184 ft
3 main spans
Daily traffic
7,386
2023 count
Owner
State
State Highway Agency

About this bridge

IH 20 Conn H over IH 35E NB FR is a prestressed concrete continuous stringer/multi-beam or girder carrying IH 20 Conn H over IH 35E NB FR 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 7,386 vehicles a day, roughly 13% of them trucks, projected to reach 8,158 by 2040. The structure is 184 ft (56.1 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 H
CrossesIH 35E NB FR
LocationAt Int IH 35E
RouteState Highway 20
CountyDallas County
StateTexas
Coordinates32.64314, -96.82236
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to 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 Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length184 ft (56.1 m)
Longest span74 ft (22.6 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deck33 ft (10.2 m)

Traffic and service

Average daily traffic7,386 (2023)
Projected traffic8,158 by 2040
Trucks13%
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 H over IH 35E NB FR built?

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

What condition is IH 20 Conn H over IH 35E NB FR 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 H over IH 35E NB FR carry?

About 7,386 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is IH 20 Conn H over IH 35E NB FR?

The structure is 184 ft (56.1 m) long with a longest span of 74 ft (22.6 m) and a deck 26 ft wide.

Who owns IH 20 Conn H over IH 35E NB FR?

It is owned by the State Highway Agency.