US Bridges

FM 3040 EB over SH 121 Bus

Fair

Denton County, Texas · 1.80 MI S of IH 35E · Structure no. 180610036403088

Built
1994
31 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
442 ft
2 main spans
Daily traffic
23,732
2023 count
Owner
State
State Highway Agency

About this bridge

FM 3040 EB over SH 121 Bus is a prestressed concrete stringer/multi-beam or girder carrying FM 3040 EB 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 23,732 vehicles a day, roughly 5% of them trucks, projected to reach 9,000 by 2033. The structure is 442 ft (134.7 m) long and 56 ft wide.

CarriesFM 3040 EB
CrossesSH 121 Bus
Location1.80 MI S of IH 35E
RouteState Highway 3040
StateTexas
Coordinates33.00351, -96.99307
Functional classUrban Minor 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 (+3 approach)
Design loadHS 20
Structure length442 ft (134.7 m)
Longest span120 ft (36.6 m)
Deck width56 ft (17.1 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,732 (2023)
Projected traffic9,000 by 2033
Trucks5%
Lanes on structure3
Traffic directionOne-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 FM 3040 EB over SH 121 Bus built?

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

What condition is FM 3040 EB 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 FM 3040 EB over SH 121 Bus carry?

About 23,732 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is FM 3040 EB over SH 121 Bus?

The structure is 442 ft (134.7 m) long with a longest span of 120 ft (36.6 m) and a deck 56 ft wide.

Who owns FM 3040 EB over SH 121 Bus?

It is owned by the State Highway Agency.