US Bridges

DC IH35SB SH121WB over SH 121 Wbfr/Ih 35E Sbfr

Good

Denton County, Texas · IH35 / SH121 Interchange · Structure no. 180610019602511

Built
2019
6 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
2,394 ft
23 main spans
Daily traffic
3,700
2010 count
Owner
State
State Highway Agency

About this bridge

DC IH35SB SH121WB over SH 121 Wbfr/Ih 35E Sbfr is a prestressed concrete stringer/multi-beam or girder carrying DC IH35SB SH121WB over SH 121 Wbfr/Ih 35E Sbfr in Denton County, Texas. It was built in 2019, so it is 6 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 3,700 vehicles a day, roughly 3% of them trucks, projected to reach 5,200 by 2030. The structure is 2,394 ft (729.7 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesDC IH35SB SH121WB
CrossesSH 121 Wbfr/Ih 35E Sbfr
LocationIH35 / SH121 Interchange
CountyDenton County
StateTexas
Coordinates32.99939, -96.96107
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum 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

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans23
Design loadHL 93
Structure length2,394 ft (729.7 m)
Longest span126 ft (38.4 m)
Deck width28 ft (8.5 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,700 (2010)
Projected traffic5,200 by 2030
Trucks3%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
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 byPrivate (other than railroad)
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 DC IH35SB SH121WB over SH 121 Wbfr/Ih 35E Sbfr built?

It was built in 2019, making it 6 years old in 2025.

What condition is DC IH35SB SH121WB over SH 121 Wbfr/Ih 35E Sbfr 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 DC IH35SB SH121WB over SH 121 Wbfr/Ih 35E Sbfr carry?

About 3,700 vehicles per day (2010 count), of which roughly 3% are trucks.

How long is DC IH35SB SH121WB over SH 121 Wbfr/Ih 35E Sbfr?

The structure is 2,394 ft (729.7 m) long with a longest span of 126 ft (38.4 m) and a deck 28 ft wide.

Who owns DC IH35SB SH121WB over SH 121 Wbfr/Ih 35E Sbfr?

It is owned by the State Highway Agency and maintained by the Private (other than railroad).