US Bridges

IH 635 SB over IH 635 Conn C

Fair

Dallas County, Texas · 0.7 MI N of US 175 · Structure no. 180570237402415

Built
1987
38 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
205 ft
3 main spans
Daily traffic
72,068
2019 count
Owner
State
State Highway Agency

About this bridge

IH 635 SB over IH 635 Conn C is a prestressed concrete stringer/multi-beam or girder carrying IH 635 SB over IH 635 Conn C in Dallas County, Texas. It was built in 1987, so it is 38 years old, younger 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 72,068 vehicles a day, roughly 14% of them trucks, projected to reach 87,920 by 2031. The structure is 205 ft (62.5 m) long and 58 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIH 635 SB
CrossesIH 635 Conn C
Location0.7 MI N of US 175
RouteInterstate 635
StateTexas
Coordinates32.7003, -96.62719
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 48 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 rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length205 ft (62.5 m)
Longest span75 ft (22.9 m)
Deck width58 ft (17.7 m)
Roadway width55 ft (16.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic72,068 (2019)
Projected traffic87,920 by 2031
Trucks14%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 635 SB over IH 635 Conn C built?

It was built in 1987, making it 38 years old in 2025.

What condition is IH 635 SB over IH 635 Conn C 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 SB over IH 635 Conn C carry?

About 72,068 vehicles per day (2019 count), of which roughly 14% are trucks.

How long is IH 635 SB over IH 635 Conn C?

The structure is 205 ft (62.5 m) long with a longest span of 75 ft (22.9 m) and a deck 58 ft wide.

Who owns IH 635 SB over IH 635 Conn C?

It is owned by the State Highway Agency.