US Bridges

IH 35W Sbml over Hickory Crk Slough

Fair

Denton County, Texas · 2.00 MI S of FM 1515 · Structure no. 180610008113095

Built
1969
56 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
440 ft
11 main spans
Daily traffic
27,418
2019 count
Owner
State
State Highway Agency

About this bridge

IH 35W Sbml over Hickory Crk Slough is a concrete stringer/multi-beam or girder carrying IH 35W Sbml over Hickory Crk Slough in Denton 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 27,418 vehicles a day, roughly 7% of them trucks, projected to reach 30,720 by 2033. The structure is 440 ft (134.1 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIH 35W Sbml
CrossesHickory Crk Slough
Location2.00 MI S of FM 1515
RouteInterstate 35
StateTexas
Coordinates33.17839, -97.17734
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73 US tons
Inventory rating44 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans11
Design loadHS 20
Structure length440 ft (134.1 m)
Longest span40 ft (12.2 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,418 (2019)
Projected traffic30,720 by 2033
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRelief for waterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 35W Sbml over Hickory Crk Slough built?

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

What condition is IH 35W Sbml over Hickory Crk Slough 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 35W Sbml over Hickory Crk Slough carry?

About 27,418 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is IH 35W Sbml over Hickory Crk Slough?

The structure is 440 ft (134.1 m) long with a longest span of 40 ft (12.2 m) and a deck 35 ft wide.

Who owns IH 35W Sbml over Hickory Crk Slough?

It is owned by the State Highway Agency.