US Bridges

FM 820 over Wild Horse Draw

Good

Howard County, Texas · 6.0 MI N of IH 20 · Structure no. 081150115601006

Built
1969
56 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
68 ft
9 main spans
Daily traffic
530
2020 count
Owner
State
State Highway Agency

About this bridge

FM 820 over Wild Horse Draw is a concrete culvert carrying FM 820 over Wild Horse Draw in Howard County, Texas. It was built in 1969, so it is 56 years old, older 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 530 vehicles a day, roughly 22% of them trucks, projected to reach 410 by 2033. The structure is 68 ft (20.7 m) long and 35 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesFM 820
CrossesWild Horse Draw
Location6.0 MI N of IH 20
RouteState Highway 820
StateTexas
Coordinates32.37777, -101.33206
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 protection7 GoodSome minor problems.
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 geometry5: 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
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length68 ft (20.7 m)
Longest span7 ft (2.1 m)
Deck width35 ft (10.8 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic530 (2020)
Projected traffic410 by 2033
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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 820 over Wild Horse Draw built?

It was built in 1969, making it 56 years old in 2025.

What condition is FM 820 over Wild Horse 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 820 over Wild Horse Draw carry?

About 530 vehicles per day (2020 count), of which roughly 22% are trucks.

How long is FM 820 over Wild Horse Draw?

The structure is 68 ft (20.7 m) long with a longest span of 7 ft (2.1 m) and a deck 35 ft wide.

Who owns FM 820 over Wild Horse Draw?

It is owned by the State Highway Agency.