US Bridges

FM 866 over Drain

Good

Ector County, Texas · 0.15 MI S of IH 20 · Structure no. 060690112705003

Built
1970
55 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete
Length
22 ft
4 main spans
Daily traffic
2,103
2020 count
Owner
State
State Highway Agency

About this bridge

FM 866 over Drain is a concrete culvert carrying FM 866 over Drain in Ector County, Texas. It was built in 1970, so it is 55 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 2,103 vehicles a day, roughly 21% of them trucks, projected to reach 1,500 by 2033. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 14.3 mi (23 km).

CarriesFM 866
CrossesDrain
Location0.15 MI S of IH 20
RouteState Highway 866
StateTexas
Coordinates31.75901, -102.53899
Functional classUrban Minor Arterial

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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 loadHS 20
Structure length22 ft (6.7 m)
Longest span5 ft (1.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,103 (2020)
Projected traffic1,500 by 2033
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 866 over Drain built?

It was built in 1970, making it 55 years old in 2025.

What condition is FM 866 over Drain 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 February 2023.

How much traffic does FM 866 over Drain carry?

About 2,103 vehicles per day (2020 count), of which roughly 21% are trucks.

How long is FM 866 over Drain?

The structure is 22 ft (6.7 m) long with a longest span of 5 ft (1.5 m).

Who owns FM 866 over Drain?

It is owned by the State Highway Agency.