US Bridges

SH 121 over Dog Creek

Fair

Fannin County, Texas · 2.1 Mi. SW of US 69 · Structure no. 010750054902017

Built
1962
63 years old, rebuilt 2002
Condition
Fair
inspected December 2024
Type
Culvert
Concrete
Length
46 ft
5 main spans
Daily traffic
10,900
2020 count
Owner
State
State Highway Agency

About this bridge

SH 121 over Dog Creek is a concrete culvert carrying SH 121 over Dog Creek in Fannin County, Texas. It was built in 1962 and reconstructed in 2002, so it is 63 years old, older 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 10,900 vehicles a day, roughly 12% of them trucks, projected to reach 11,140 by 2040. The structure is 46 ft (14 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSH 121
CrossesDog Creek
Location2.1 Mi. SW of US 69
RouteState Highway 121
StateTexas
Coordinates33.41851, -96.36325
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
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
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadUnknown
Structure length46 ft (14 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,900 (2020)
Projected traffic11,140 by 2040
Trucks12%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Dog Creek built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2002.

What condition is SH 121 over Dog Creek 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 over Dog Creek carry?

About 10,900 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is SH 121 over Dog Creek?

The structure is 46 ft (14 m) long with a longest span of 6 ft (1.8 m).

Who owns SH 121 over Dog Creek?

It is owned by the State Highway Agency.