US Bridges

IH 35E Sbml over Timber Creek

Fair

Denton County, Texas · 2.60 MI NW of Dallas C/L · Structure no. 180610019602023

Built
1939
86 years old, rebuilt 2016
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
320 ft
8 main spans
Daily traffic
70,035
2019 count
Owner
State
State Highway Agency

About this bridge

IH 35E Sbml over Timber Creek is a steel stringer/multi-beam or girder carrying IH 35E Sbml over Timber Creek in Denton County, Texas. It was built in 1939 and reconstructed in 2016, so it is 86 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 70,035 vehicles a day, roughly 7% of them trucks, projected to reach 107,150 by 2033. The structure is 320 ft (97.5 m) long and 157 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIH 35E Sbml
CrossesTimber Creek
Location2.60 MI NW of Dallas C/L
RouteInterstate 35
StateTexas
Coordinates33.01032, -96.97722
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable 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

MaterialSteel
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length320 ft (97.5 m)
Longest span40 ft (12.2 m)
Deck width157 ft (47.9 m)
Roadway width154 ft (46.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70,035 (2019)
Projected traffic107,150 by 2033
Trucks7%
Lanes on structure6
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 35E Sbml over Timber Creek built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 2016.

What condition is IH 35E Sbml over Timber Creek 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 November 2023.

How much traffic does IH 35E Sbml over Timber Creek carry?

About 70,035 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is IH 35E Sbml over Timber Creek?

The structure is 320 ft (97.5 m) long with a longest span of 40 ft (12.2 m) and a deck 157 ft wide.

Who owns IH 35E Sbml over Timber Creek?

It is owned by the State Highway Agency.