US Bridges

IH 35 Nbml over North Troy RD

Good

Bell County, Texas · IH 35 at North Troy RD · Structure no. 090140001504604

Built
2018
7 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
375 ft
3 main spans
Daily traffic
34,600
2014 count
Owner
State
State Highway Agency

About this bridge

IH 35 Nbml over North Troy RD is a prestressed concrete stringer/multi-beam or girder carrying IH 35 Nbml over North Troy RD in Bell County, Texas. It was built in 2018, so it is 7 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 34,600 vehicles a day, roughly 25% of them trucks, projected to reach 48,500 by 2034. The structure is 375 ft (114.3 m) long and 73 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIH 35 Nbml
CrossesNorth Troy RD
LocationIH 35 at North Troy RD
RouteInterstate 35
StateTexas
Coordinates31.21833, -97.29735
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum 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 spans3
Design loadHL 93
Structure length375 ft (114.3 m)
Longest span125 ft (38.1 m)
Deck width73 ft (22.1 m)
Roadway width70 ft (21.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,600 (2014)
Projected traffic48,500 by 2034
Trucks25%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 35 Nbml over North Troy RD built?

It was built in 2018, making it 7 years old in 2025.

What condition is IH 35 Nbml over North Troy RD in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does IH 35 Nbml over North Troy RD carry?

About 34,600 vehicles per day (2014 count), of which roughly 25% are trucks.

How long is IH 35 Nbml over North Troy RD?

The structure is 375 ft (114.3 m) long with a longest span of 125 ft (38.1 m) and a deck 73 ft wide.

Who owns IH 35 Nbml over North Troy RD?

It is owned by the State Highway Agency.