US Bridges

SH 121 EB FR over Canal - Trib Denton CR

Good

Denton County, Texas · 0.35 MI E of Macarthur Bl · Structure no. 180610C01171004

Built
1989
36 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
82 ft
1 main span
Daily traffic
12,300
2023 count
Owner
Toll Authority
Local Toll Authority

About this bridge

SH 121 EB FR over Canal - Trib Denton CR is a prestressed concrete stringer/multi-beam or girder carrying SH 121 EB FR over Canal - Trib Denton CR in Denton County, Texas. It was built in 1989, so it is 36 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 12,300 vehicles a day, roughly 3% of them trucks, projected to reach 17,220 by 2042. The structure is 82 ft (25 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 121 EB FR
CrossesCanal - Trib Denton CR
Location0.35 MI E of Macarthur Bl
StateTexas
Coordinates32.99342, -96.96829
Functional classUrban Collector

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable 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 spans1
Design loadHS 20
Structure length82 ft (25 m)
Longest span81 ft (24.7 m)
Deck width46 ft (14 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,300 (2023)
Projected traffic17,220 by 2042
Trucks3%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerLocal Toll Authority
Maintained byLocal Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 121 EB FR over Canal - Trib Denton CR built?

It was built in 1989, making it 36 years old in 2025.

What condition is SH 121 EB FR over Canal - Trib Denton CR 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 December 2024.

How much traffic does SH 121 EB FR over Canal - Trib Denton CR carry?

About 12,300 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is SH 121 EB FR over Canal - Trib Denton CR?

The structure is 82 ft (25 m) long with a longest span of 81 ft (24.7 m) and a deck 46 ft wide.

Who owns SH 121 EB FR over Canal - Trib Denton CR?

It is owned by the Local Toll Authority.