US Bridges

IH 30 Wbml over IH 635

Poor

Dallas County, Texas · At IH 635 Interchange · Structure no. 180570000911353

Built
1971
54 years old, rebuilt 1998
Condition
Poor
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
350 ft
4 main spans
Daily traffic
81,504
2019 count
Owner
State
State Highway Agency

About this bridge

IH 30 Wbml over IH 635 is a steel continuous stringer/multi-beam or girder carrying IH 30 Wbml over IH 635 in Dallas County, Texas. It was built in 1971 and reconstructed in 1998, 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 81,504 vehicles a day, roughly 8% of them trucks, projected to reach 77,320 by 2033. The structure is 350 ft (106.7 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIH 30 Wbml
CrossesIH 635
LocationAt IH 635 Interchange
RouteInterstate 30
CountyDallas County
StateTexas
Coordinates32.82324, -96.62972
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating33 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length350 ft (106.7 m)
Longest span100 ft (30.5 m)
Deck width54 ft (16.5 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deck17 ft (5.1 m)

Traffic and service

Average daily traffic81,504 (2019)
Projected traffic77,320 by 2033
Trucks8%
Lanes on structure3
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 30 Wbml over IH 635 built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 1998.

What condition is IH 30 Wbml over IH 635 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does IH 30 Wbml over IH 635 carry?

About 81,504 vehicles per day (2019 count), of which roughly 8% are trucks.

How long is IH 30 Wbml over IH 635?

The structure is 350 ft (106.7 m) long with a longest span of 100 ft (30.5 m) and a deck 54 ft wide.

Who owns IH 30 Wbml over IH 635?

It is owned by the State Highway Agency.