US Bridges

IH 635 WB over Elm Fork Trinity River

Fair

Dallas County, Texas · 2.0 MI W of IH 35E · Structure no. 180570237407372

Built
1976
49 years old, rebuilt 1992
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,900 ft
22 main spans
Daily traffic
87,761
2023 count
Owner
State
State Highway Agency

About this bridge

IH 635 WB over Elm Fork Trinity River is a prestressed concrete stringer/multi-beam or girder carrying IH 635 WB over Elm Fork Trinity River in Dallas County, Texas. It was built in 1976 and reconstructed in 1992, so it is 49 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 87,761 vehicles a day, roughly 7% of them trucks, projected to reach 51,170 by 2033. The structure is 1,900 ft (579.1 m) long and 62 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIH 635 WB
CrossesElm Fork Trinity River
Location2.0 MI W of IH 35E
RouteInterstate 635
StateTexas
Coordinates32.90993, -96.93328
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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable 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 spans22
Design loadHS 20
Structure length1,900 ft (579.1 m)
Longest span125 ft (38.1 m)
Deck width62 ft (18.9 m)
Roadway width59 ft (17.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic87,761 (2023)
Projected traffic51,170 by 2033
Trucks7%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 635 WB over Elm Fork Trinity River built?

It was built in 1976, making it 49 years old in 2025. It was reconstructed in 1992.

What condition is IH 635 WB over Elm Fork Trinity River 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 September 2023.

How much traffic does IH 635 WB over Elm Fork Trinity River carry?

About 87,761 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is IH 635 WB over Elm Fork Trinity River?

The structure is 1,900 ft (579.1 m) long with a longest span of 125 ft (38.1 m) and a deck 62 ft wide.

Who owns IH 635 WB over Elm Fork Trinity River?

It is owned by the State Highway Agency.