US Bridges

SH 121 Bus Conn over SH 121 Bus

Fair

Denton County, Texas · 1.80 MI S of IH 35E · Structure no. 180610036403086

Built
1994
31 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
335 ft
2 main spans
Daily traffic
3,000
2013 count
Owner
State
State Highway Agency

About this bridge

SH 121 Bus Conn over SH 121 Bus is a prestressed concrete stringer/multi-beam or girder carrying SH 121 Bus Conn over SH 121 Bus in Denton County, Texas. It was built in 1994, so it is 31 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 3,000 vehicles a day, roughly 5% of them trucks, projected to reach 6,000 by 2028. The structure is 335 ft (102.1 m) long and 64 ft wide.

CarriesSH 121 Bus Conn
CrossesSH 121 Bus
Location1.80 MI S of IH 35E
RouteState Highway 121
StateTexas
Coordinates33.00071, -96.99423
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: 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 spans2 (+2 approach)
Design loadHS 20
Structure length335 ft (102.1 m)
Longest span110 ft (33.5 m)
Deck width64 ft (19.5 m)
Roadway width59 ft (17.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2013)
Projected traffic6,000 by 2028
Trucks5%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
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 SH 121 Bus Conn over SH 121 Bus built?

It was built in 1994, making it 31 years old in 2025.

What condition is SH 121 Bus Conn over SH 121 Bus 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 October 2023.

How much traffic does SH 121 Bus Conn over SH 121 Bus carry?

About 3,000 vehicles per day (2013 count), of which roughly 5% are trucks.

How long is SH 121 Bus Conn over SH 121 Bus?

The structure is 335 ft (102.1 m) long with a longest span of 110 ft (33.5 m) and a deck 64 ft wide.

Who owns SH 121 Bus Conn over SH 121 Bus?

It is owned by the State Highway Agency.