US Bridges

IH 20 Bus over Drain

Fair

Midland County, Texas · 0.10 MI W of Lp 250 · Structure no. 061650000502218

Built
1971
54 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
38 ft
5 main spans
Daily traffic
4,280
2023 count
Owner
State
State Highway Agency

About this bridge

IH 20 Bus over Drain is a concrete culvert carrying IH 20 Bus over Drain in Midland County, Texas. It was built in 1971, so it is 54 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 4,280 vehicles a day, roughly 11% of them trucks, projected to reach 21,420 by 2033. The structure is 38 ft (11.6 m) long and 230 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIH 20 Bus
CrossesDrain
Location0.10 MI W of Lp 250
RouteState Highway 20
StateTexas
Coordinates31.96086, -102.14305
Functional classUrban Other Principal Arterial

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
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
DeckNot applicable
Main spans5
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span6 ft (1.8 m)
Deck width230 ft (70.1 m)
Roadway width154 ft (46.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,280 (2023)
Projected traffic21,420 by 2033
Trucks11%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 Bus over Drain built?

It was built in 1971, making it 54 years old in 2025.

What condition is IH 20 Bus 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 September 2024.

How much traffic does IH 20 Bus over Drain carry?

About 4,280 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is IH 20 Bus over Drain?

The structure is 38 ft (11.6 m) long with a longest span of 6 ft (1.8 m) and a deck 230 ft wide.

Who owns IH 20 Bus over Drain?

It is owned by the State Highway Agency.