US Bridges

IH 35E Ml over FM 1515 (bonnie Brae Rd)

Good

Denton County, Texas · 1.60 MI NW of US 377 · Structure no. 180610019503209

Built
1958
67 years old, rebuilt 2015
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
152 ft
3 main spans
Daily traffic
116,407
2023 count
Owner
State
State Highway Agency

About this bridge

IH 35E Ml over FM 1515 (bonnie Brae Rd) is a steel continuous stringer/multi-beam or girder carrying IH 35E Ml over FM 1515 (bonnie Brae Rd) in Denton County, Texas. It was built in 1958 and reconstructed in 2015, so it is 67 years old, older 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 116,407 vehicles a day, roughly 13% of them trucks, projected to reach 86,000 by 2030. The structure is 152 ft (46.3 m) long and 84 ft wide.

CarriesIH 35E Ml
CrossesFM 1515 (bonnie Brae Rd)
Location1.60 MI NW of US 377
RouteInterstate 35
StateTexas
Coordinates33.20847, -97.16146
Functional classUrban 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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than 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 rating60 US tons
Inventory rating36 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length152 ft (46.3 m)
Longest span60 ft (18.3 m)
Deck width84 ft (25.7 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic116,407 (2023)
Projected traffic86,000 by 2030
Trucks13%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 35E Ml over FM 1515 (bonnie Brae Rd) built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2015.

What condition is IH 35E Ml over FM 1515 (bonnie Brae 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 February 2023.

How much traffic does IH 35E Ml over FM 1515 (bonnie Brae Rd) carry?

About 116,407 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is IH 35E Ml over FM 1515 (bonnie Brae Rd)?

The structure is 152 ft (46.3 m) long with a longest span of 60 ft (18.3 m) and a deck 84 ft wide.

Who owns IH 35E Ml over FM 1515 (bonnie Brae Rd)?

It is owned by the State Highway Agency.