US Bridges

SH 121 over Henson Creek

Fair

Fannin County, Texas · 2.7 MI NE of SH 11 · Structure no. 010750054901016

Built
1958
67 years old, rebuilt 1970
Condition
Fair
inspected December 2024
Type
Culvert
Concrete
Length
29 ft
3 main spans
Daily traffic
7,893
2020 count
Owner
State
State Highway Agency

About this bridge

SH 121 over Henson Creek is a concrete culvert carrying SH 121 over Henson Creek in Fannin County, Texas. It was built in 1958 and reconstructed in 1970, so it is 67 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 7,893 vehicles a day, roughly 12% of them trucks, projected to reach 9,990 by 2040. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSH 121
CrossesHenson Creek
Location2.7 MI NE of SH 11
RouteState Highway 121
StateTexas
Coordinates33.51484, -96.23049
Functional classRural 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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadOther
Structure length29 ft (8.8 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,893 (2020)
Projected traffic9,990 by 2040
Trucks12%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Henson Creek built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1970.

What condition is SH 121 over Henson 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 Henson Creek carry?

About 7,893 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is SH 121 over Henson Creek?

The structure is 29 ft (8.8 m) long with a longest span of 9 ft (2.7 m).

Who owns SH 121 over Henson Creek?

It is owned by the State Highway Agency.