US Bridges

IH 635 NB over LA Prada DR

Fair

Dallas County, Texas · 1.45 MI N of IH 30 · Structure no. 180570237402102

Built
1968
57 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
200 ft
3 main spans
Daily traffic
102,343
2019 count
Owner
State
State Highway Agency

About this bridge

IH 635 NB over LA Prada DR is a steel continuous stringer/multi-beam or girder carrying IH 635 NB over LA Prada DR in Dallas County, Texas. It was built in 1968, so it is 57 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 102,343 vehicles a day, roughly 13% of them trucks, projected to reach 131,270 by 2033. The structure is 200 ft (61 m) long and 68 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesIH 635 NB
CrossesLA Prada DR
Location1.45 MI N of IH 30
RouteInterstate 635
CountyDallas County
StateTexas
Coordinates32.84392, -96.63462
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length200 ft (61 m)
Longest span100 ft (30.5 m)
Deck width68 ft (20.7 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic102,343 (2019)
Projected traffic131,270 by 2033
Trucks13%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$34,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 635 NB over LA Prada DR built?

It was built in 1968, making it 57 years old in 2025.

What condition is IH 635 NB over LA Prada DR 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 August 2023.

How much traffic does IH 635 NB over LA Prada DR carry?

About 102,343 vehicles per day (2019 count), of which roughly 13% are trucks.

How long is IH 635 NB over LA Prada DR?

The structure is 200 ft (61 m) long with a longest span of 100 ft (30.5 m) and a deck 68 ft wide.

Who owns IH 635 NB over LA Prada DR?

It is owned by the State Highway Agency.