US Bridges

IH 635 NB over Elam RD

Fair

Dallas County, Texas · 1.25 MI N of IH 20 · Structure no. 180570237402092

Built
1969
56 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
187 ft
3 main spans
Daily traffic
77,791
2023 count
Owner
State
State Highway Agency

About this bridge

IH 635 NB over Elam RD is a steel continuous stringer/multi-beam or girder carrying IH 635 NB over Elam RD in Dallas County, Texas. It was built in 1969, so it is 56 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 77,791 vehicles a day, roughly 12% of them trucks, projected to reach 86,010 by 2033. The structure is 187 ft (57 m) long and 70 ft wide.

Location

Open in Google Maps
CarriesIH 635 NB
CrossesElam RD
Location1.25 MI N of IH 20
RouteInterstate 635
CountyDallas County
StateTexas
Coordinates32.71939, -96.61627
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 inspectionJune 2023
Inspection intervalevery 24 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 rating65 US tons
Inventory rating39 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length187 ft (57 m)
Longest span98 ft (29.9 m)
Deck width70 ft (21.3 m)
Roadway width67 ft (20.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic77,791 (2023)
Projected traffic86,010 by 2033
Trucks12%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 635 NB over Elam RD built?

It was built in 1969, making it 56 years old in 2025.

What condition is IH 635 NB over Elam RD 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 June 2023.

How much traffic does IH 635 NB over Elam RD carry?

About 77,791 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is IH 635 NB over Elam RD?

The structure is 187 ft (57 m) long with a longest span of 98 ft (29.9 m) and a deck 70 ft wide.

Who owns IH 635 NB over Elam RD?

It is owned by the State Highway Agency.