US Bridges

IH 35W Nbml over W Oak ST

Fair

Denton County, Texas · 2.30 MI NW of US 377 · Structure no. 180610008113143

Built
1970
55 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
180 ft
1 main span
Daily traffic
4,380
2013 count
Owner
State
State Highway Agency

About this bridge

IH 35W Nbml over W Oak ST is a prestressed concrete stringer/multi-beam or girder carrying IH 35W Nbml over W Oak ST in Denton County, Texas. It was built in 1970, so it is 55 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 5 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 4,380 vehicles a day, roughly 7% of them trucks, projected to reach 6,140 by 2033. The structure is 180 ft (54.9 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIH 35W Nbml
CrossesW Oak ST
Location2.30 MI NW of US 377
RouteInterstate 35
StateTexas
Coordinates33.21566, -97.16864
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: 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 spans1 (+2 approach)
Design loadHS 20
Structure length180 ft (54.9 m)
Longest span80 ft (24.4 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,380 (2013)
Projected traffic6,140 by 2033
Trucks7%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 35W Nbml over W Oak ST built?

It was built in 1970, making it 55 years old in 2025.

What condition is IH 35W Nbml over W Oak ST 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 35W Nbml over W Oak ST carry?

About 4,380 vehicles per day (2013 count), of which roughly 7% are trucks.

How long is IH 35W Nbml over W Oak ST?

The structure is 180 ft (54.9 m) long with a longest span of 80 ft (24.4 m) and a deck 42 ft wide.

Who owns IH 35W Nbml over W Oak ST?

It is owned by the State Highway Agency.