US Bridges

IH 20 Wbml over Union Pacific Railroad

Fair

Dallas County, Texas · 0.3 MI E of IH 45 · Structure no. 180570237403212

Built
1973
52 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
394 ft
6 main spans
Daily traffic
61,074
2020 count
Owner
State
State Highway Agency

About this bridge

IH 20 Wbml over Union Pacific Railroad is a prestressed concrete stringer/multi-beam or girder carrying IH 20 Wbml over Union Pacific Railroad in Dallas County, Texas. It was built in 1973, so it is 52 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 61,074 vehicles a day, roughly 19% of them trucks, projected to reach 85,503 by 2040. The structure is 394 ft (120.1 m) long and 70 ft wide.

Location

Open in Google Maps
CarriesIH 20 Wbml
CrossesUnion Pacific Railroad
Location0.3 MI E of IH 45
RouteInterstate 20
CountyDallas County
StateTexas
Coordinates32.6647, -96.72115
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.
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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating34.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length394 ft (120.1 m)
Longest span75 ft (22.9 m)
Deck width70 ft (21.3 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic61,074 (2020)
Projected traffic85,503 by 2040
Trucks19%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed—
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 Wbml over Union Pacific Railroad built?

It was built in 1973, making it 52 years old in 2025.

What condition is IH 20 Wbml over Union Pacific Railroad 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 IH 20 Wbml over Union Pacific Railroad carry?

About 61,074 vehicles per day (2020 count), of which roughly 19% are trucks.

How long is IH 20 Wbml over Union Pacific Railroad?

The structure is 394 ft (120.1 m) long with a longest span of 75 ft (22.9 m) and a deck 70 ft wide.

Who owns IH 20 Wbml over Union Pacific Railroad?

It is owned by the State Highway Agency.