US Bridges

SH 121 over Powder Creek Rel

Good

Fannin County, Texas · 0.02 MI N of SH 56 · Structure no. 010750054901032

Built
1970
55 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
35 ft
4 main spans
Daily traffic
11,708
2020 count
Owner
State
State Highway Agency

About this bridge

SH 121 over Powder Creek Rel is a concrete culvert carrying SH 121 over Powder Creek Rel in Fannin County, Texas. It was built in 1970, so it is 55 years old, older 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 11,708 vehicles a day, roughly 19% of them trucks, projected to reach 16,080 by 2033. The structure is 35 ft (10.6 m) long and 153 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 121
CrossesPowder Creek Rel
Location0.02 MI N of SH 56
RouteState Highway 121
StateTexas
Coordinates33.57808, -96.19237
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length35 ft (10.6 m)
Longest span9 ft (2.6 m)
Deck width153 ft (46.7 m)
Roadway width98 ft (29.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,708 (2020)
Projected traffic16,080 by 2033
Trucks19%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 121 over Powder Creek Rel built?

It was built in 1970, making it 55 years old in 2025.

What condition is SH 121 over Powder Creek Rel 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 over Powder Creek Rel carry?

About 11,708 vehicles per day (2020 count), of which roughly 19% are trucks.

How long is SH 121 over Powder Creek Rel?

The structure is 35 ft (10.6 m) long with a longest span of 9 ft (2.6 m) and a deck 153 ft wide.

Who owns SH 121 over Powder Creek Rel?

It is owned by the State Highway Agency.