US Bridges

SH 121 Ebfr over Trib of Denton CR

Fair

Denton County, Texas · 0.80 MI W of Macarthur Bl · Structure no. 180610C01171002

Built
1989
36 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
87 ft
1 main span
Daily traffic
11,580
2023 count
Owner
Toll Authority
Local Toll Authority

About this bridge

SH 121 Ebfr over Trib of Denton CR is a prestressed concrete stringer/multi-beam or girder carrying SH 121 Ebfr over Trib of 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 11,580 vehicles a day, roughly 5% of them trucks, projected to reach 16,212 by 2042. The structure is 87 ft (26.5 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSH 121 Ebfr
CrossesTrib of Denton CR
Location0.80 MI W of Macarthur Bl
CountyDenton County
StateTexas
Coordinates32.98613, -96.98537
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to 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

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length87 ft (26.5 m)
Longest span85 ft (25.9 m)
Deck width46 ft (14 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,580 (2023)
Projected traffic16,212 by 2042
Trucks5%
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$8,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 121 Ebfr over Trib of Denton CR built?

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

What condition is SH 121 Ebfr over Trib of Denton CR in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2024.

How much traffic does SH 121 Ebfr over Trib of Denton CR carry?

About 11,580 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is SH 121 Ebfr over Trib of Denton CR?

The structure is 87 ft (26.5 m) long with a longest span of 85 ft (25.9 m) and a deck 46 ft wide.

Who owns SH 121 Ebfr over Trib of Denton CR?

It is owned by the Local Toll Authority.