US Bridges

IH 635 NB over UP RR

Fair

Dallas County, Texas · 3.73 MI N of Elam RD · Structure no. 180570237402135

Built
1971
54 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
396 ft
6 main spans
Daily traffic
91,008
2023 count
Owner
State
State Highway Agency

About this bridge

IH 635 NB over UP RR is a prestressed concrete stringer/multi-beam or girder carrying IH 635 NB over UP RR in Dallas County, Texas. It was built in 1971, 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 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 91,008 vehicles a day, roughly 13% of them trucks, projected to reach 111,880 by 2033. The structure is 396 ft (120.7 m) long and 85 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesIH 635 NB
CrossesUP RR
Location3.73 MI N of Elam RD
RouteInterstate 635
CountyDallas County
StateTexas
Coordinates32.77193, -96.62325
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
Deck7 GoodSome minor problems.
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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating29 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length396 ft (120.7 m)
Longest span66 ft (20.1 m)
Deck width85 ft (25.8 m)
Roadway width81 ft (24.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic91,008 (2023)
Projected traffic111,880 by 2033
Trucks13%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.9 mi (3 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 635 NB over UP RR built?

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

What condition is IH 635 NB over UP RR 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 UP RR carry?

About 91,008 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is IH 635 NB over UP RR?

The structure is 396 ft (120.7 m) long with a longest span of 66 ft (20.1 m) and a deck 85 ft wide.

Who owns IH 635 NB over UP RR?

It is owned by the State Highway Agency.