US Bridges

FM 321 over Catfish Crk Trib

Fair

Anderson County, Texas · 6.4 MI NW of FM 645 · Structure no. 100010089201005

Built
1955
70 years old
Condition
Fair
inspected December 2022
Type
Culvert
Concrete
Length
27 ft
4 main spans
Daily traffic
134
2018 count
Owner
State
State Highway Agency

About this bridge

FM 321 over Catfish Crk Trib is a concrete culvert carrying FM 321 over Catfish Crk Trib in Anderson County, Texas. It was built in 1955, so it is 70 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 134 vehicles a day, roughly 9% of them trucks, projected to reach 210 by 2033. The structure is 27 ft (8.2 m) long and 33 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesFM 321
CrossesCatfish Crk Trib
Location6.4 MI NW of FM 645
RouteState Highway 321
CountyAnderson County
StateTexas
Coordinates31.87175, -95.9338
Functional classRural Major Collector

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 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be 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
DeckConcrete, cast-in-place
Main spans4
Design loadOther
Structure length27 ft (8.2 m)
Longest span6 ft (1.8 m)
Deck width33 ft (10.2 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic134 (2018)
Projected traffic210 by 2033
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 FM 321 over Catfish Crk Trib built?

It was built in 1955, making it 70 years old in 2025.

What condition is FM 321 over Catfish Crk Trib 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 2022.

How much traffic does FM 321 over Catfish Crk Trib carry?

About 134 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is FM 321 over Catfish Crk Trib?

The structure is 27 ft (8.2 m) long with a longest span of 6 ft (1.8 m) and a deck 33 ft wide.

Who owns FM 321 over Catfish Crk Trib?

It is owned by the State Highway Agency.