US Bridges

IH 35W Nbml over Ksc Railroad

Fair

Denton County, Texas · 0.10 MI S of FM 1515 · Structure no. 180610008113133

Built
1970
55 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
435 ft
7 main spans
Daily traffic
32,452
2023 count
Owner
State
State Highway Agency

About this bridge

IH 35W Nbml over Ksc Railroad is a prestressed concrete stringer/multi-beam or girder carrying IH 35W Nbml over Ksc Railroad 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 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 32,452 vehicles a day, roughly 7% of them trucks, projected to reach 30,720 by 2033. The structure is 435 ft (132.6 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIH 35W Nbml
CrossesKsc Railroad
Location0.10 MI S of FM 1515
RouteInterstate 35
StateTexas
Coordinates33.20223, -97.1644
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.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71 US tons
Inventory rating30 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length435 ft (132.6 m)
Longest span77 ft (23.5 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,452 (2023)
Projected traffic30,720 by 2033
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 35W Nbml over Ksc Railroad built?

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

What condition is IH 35W Nbml over Ksc Railroad 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 February 2023.

How much traffic does IH 35W Nbml over Ksc Railroad carry?

About 32,452 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is IH 35W Nbml over Ksc Railroad?

The structure is 435 ft (132.6 m) long with a longest span of 77 ft (23.5 m) and a deck 35 ft wide.

Who owns IH 35W Nbml over Ksc Railroad?

It is owned by the State Highway Agency.