US Bridges

FM 121 over Buck Creek

Good

Grayson County, Texas · 7.1 Mi. E. of US 377 · Structure no. 010920072901184

Built
2012
13 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
85 ft
1 main span
Daily traffic
1,366
2018 count
Owner
State
State Highway Agency

About this bridge

FM 121 over Buck Creek is a prestressed concrete stringer/multi-beam or girder carrying FM 121 over Buck Creek in Grayson County, Texas. It was built in 2012, so it is 13 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 1,366 vehicles a day, roughly 14% of them trucks, projected to reach 1,230 by 2033. The structure is 85 ft (25.9 m) long and 46 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFM 121
CrossesBuck Creek
Location7.1 Mi. E. of US 377
RouteState Highway 121
StateTexas
Coordinates33.45906, -96.81337
Functional classRural Major 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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum 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 loadHL 93
Structure length85 ft (25.9 m)
Longest span85 ft (25.9 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,366 (2018)
Projected traffic1,230 by 2033
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 121 over Buck Creek built?

It was built in 2012, making it 13 years old in 2025.

What condition is FM 121 over Buck Creek 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 March 2023.

How much traffic does FM 121 over Buck Creek carry?

About 1,366 vehicles per day (2018 count), of which roughly 14% are trucks.

How long is FM 121 over Buck Creek?

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

Who owns FM 121 over Buck Creek?

It is owned by the State Highway Agency.