US Bridges

IH 35E Nbml over US 77 SB

Good

Denton County, Texas · 1.45 MI SE of US 377 · Structure no. 180610019503090

Built
1958
67 years old, rebuilt 2016
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
186 ft
1 main span
Daily traffic
5,157
2023 count
Owner
State
State Highway Agency

About this bridge

IH 35E Nbml over US 77 SB is a steel continuous stringer/multi-beam or girder carrying IH 35E Nbml over US 77 SB in Denton County, Texas. It was built in 1958 and reconstructed in 2016, 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 5,157 vehicles a day, roughly 8% of them trucks, projected to reach 69,750 by 2033. The structure is 186 ft (56.7 m) long and 49 ft wide.

CarriesIH 35E Nbml
CrossesUS 77 SB
Location1.45 MI SE of US 377
RouteInterstate 35
StateTexas
Coordinates33.19171, -97.11514
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 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 rating61 US tons
Inventory rating36 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length186 ft (56.7 m)
Longest span85 ft (25.9 m)
Deck width49 ft (14.9 m)
Roadway width47 ft (14.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,157 (2023)
Projected traffic69,750 by 2033
Trucks8%
Lanes on structure3
Traffic directionOne-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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$14,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 35E Nbml over US 77 SB built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2016.

What condition is IH 35E Nbml over US 77 SB 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 November 2023.

How much traffic does IH 35E Nbml over US 77 SB carry?

About 5,157 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is IH 35E Nbml over US 77 SB?

The structure is 186 ft (56.7 m) long with a longest span of 85 ft (25.9 m) and a deck 49 ft wide.

Who owns IH 35E Nbml over US 77 SB?

It is owned by the State Highway Agency.