US Bridges

IH 35E Nbml over Timber Creek

Fair

Denton County, Texas · 2.60 MI NW of Dallas C/L · Structure no. 180610019602079

Built
1957
68 years old, rebuilt 1983
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
322 ft
8 main spans
Daily traffic
74,860
2019 count
Owner
State
State Highway Agency

About this bridge

IH 35E Nbml over Timber Creek is a steel stringer/multi-beam or girder carrying IH 35E Nbml over Timber Creek in Denton County, Texas. It was built in 1957 and reconstructed in 1983, so it is 68 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 74,860 vehicles a day, roughly 8% of them trucks, projected to reach 103,920 by 2030. The structure is 322 ft (98.1 m) long and 73 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIH 35E Nbml
CrossesTimber Creek
Location2.60 MI NW of Dallas C/L
RouteInterstate 35
CountyDenton County
StateTexas
Coordinates33.01049, -96.97696
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 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

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length322 ft (98.1 m)
Longest span40 ft (12.2 m)
Deck width73 ft (22.3 m)
Roadway width71 ft (21.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic74,860 (2019)
Projected traffic103,920 by 2030
Trucks8%
Lanes on structure4
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 Nbml over Timber Creek built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1983.

What condition is IH 35E Nbml 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 Nbml over Timber Creek carry?

About 74,860 vehicles per day (2019 count), of which roughly 8% are trucks.

How long is IH 35E Nbml over Timber Creek?

The structure is 322 ft (98.1 m) long with a longest span of 40 ft (12.2 m) and a deck 73 ft wide.

Who owns IH 35E Nbml over Timber Creek?

It is owned by the State Highway Agency.