US Bridges

SH 121 over Cooper Crk

Fair

Fannin County, Texas · 4.9 MI N of SH 11 · Structure no. 010750054901014

Built
1958
67 years old, rebuilt 2002
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
39 ft
4 main spans
Daily traffic
8,773
2020 count
Owner
State
State Highway Agency

About this bridge

SH 121 over Cooper Crk is a concrete culvert carrying SH 121 over Cooper Crk in Fannin County, Texas. It was built in 1958 and reconstructed in 2002, 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 8,773 vehicles a day, roughly 12% of them trucks, projected to reach 10,800 by 2033. The structure is 39 ft (11.9 m) long and 90 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSH 121
CrossesCooper Crk
Location4.9 MI N of SH 11
RouteState Highway 121
CountyFannin County
StateTexas
Coordinates33.5438, -96.21423
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 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 geometry7: Better than present minimum criteria
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 spans4
Design loadOther
Structure length39 ft (11.9 m)
Longest span9 ft (2.7 m)
Deck width90 ft (27.4 m)
Roadway width53 ft (16.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,773 (2020)
Projected traffic10,800 by 2033
Trucks12%
Lanes on structure3
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 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 Cooper Crk built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2002.

What condition is SH 121 over Cooper Crk 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 2024.

How much traffic does SH 121 over Cooper Crk carry?

About 8,773 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is SH 121 over Cooper Crk?

The structure is 39 ft (11.9 m) long with a longest span of 9 ft (2.7 m) and a deck 90 ft wide.

Who owns SH 121 over Cooper Crk?

It is owned by the State Highway Agency.