US Bridges

FM 821 over Cannibal Draw

Good

Howard County, Texas · 5.1 MI E of US 87 · Structure no. 081150115602007

Built
1989
36 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
23 ft
4 main spans
Daily traffic
146
2020 count
Owner
State
State Highway Agency

About this bridge

FM 821 over Cannibal Draw is a concrete culvert carrying FM 821 over Cannibal Draw in Howard County, Texas. It was built in 1989, so it is 36 years old, younger 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 146 vehicles a day, roughly 40% of them trucks, projected to reach 590 by 2033. The structure is 23 ft (7 m) long and 39 ft wide. If it were closed, the detour would be 28 mi (45 km).

CarriesFM 821
CrossesCannibal Draw
Location5.1 MI E of US 87
RouteState Highway 821
StateTexas
Coordinates32.09538, -101.30918
Functional classRural Major Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable 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
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length23 ft (7 m)
Longest span5 ft (1.5 m)
Deck width39 ft (12 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic146 (2020)
Projected traffic590 by 2033
Trucks40%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 821 over Cannibal Draw built?

It was built in 1989, making it 36 years old in 2025.

What condition is FM 821 over Cannibal Draw 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 June 2023.

How much traffic does FM 821 over Cannibal Draw carry?

About 146 vehicles per day (2020 count), of which roughly 40% are trucks.

How long is FM 821 over Cannibal Draw?

The structure is 23 ft (7 m) long with a longest span of 5 ft (1.5 m) and a deck 39 ft wide.

Who owns FM 821 over Cannibal Draw?

It is owned by the State Highway Agency.