US Bridges

IH 20 over Drain

Fair

Harrison County, Texas · 0.70 MI W of SH 43 · Structure no. 191030049508253

Built
1965
60 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
33 ft
4 main spans
Daily traffic
32,162
2020 count
Owner
State
State Highway Agency

About this bridge

IH 20 over Drain is a concrete culvert carrying IH 20 over Drain in Harrison County, Texas. It was built in 1965, so it is 60 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 32,162 vehicles a day, roughly 38% of them trucks, projected to reach 44,960 by 2033. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 19.9 mi (32 km).

CarriesIH 20
CrossesDrain
Location0.70 MI W of SH 43
RouteInterstate 20
StateTexas
Coordinates32.4885, -94.42195
Functional classRural Principal Arterial - Interstate

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 inspectionAugust 2023
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
Waterway adequacy9: Superior to present desirable 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 loadUnknown
Structure length33 ft (10.1 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,162 (2020)
Projected traffic44,960 by 2033
Trucks38%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 IH 20 over Drain built?

It was built in 1965, making it 60 years old in 2025.

What condition is IH 20 over Drain 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 August 2023.

How much traffic does IH 20 over Drain carry?

About 32,162 vehicles per day (2020 count), of which roughly 38% are trucks.

How long is IH 20 over Drain?

The structure is 33 ft (10.1 m) long with a longest span of 7 ft (2.1 m).

Who owns IH 20 over Drain?

It is owned by the State Highway Agency.