US Bridges

Bus 20 WB over IH 20

Fair

Howard County, Texas · 3.0 MI W of US 87 · Structure no. 081150000505148

Built
1964
61 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
402 ft
4 main spans
Daily traffic
3,440
2013 count
Owner
State
State Highway Agency

About this bridge

Bus 20 WB over IH 20 is a steel continuous stringer/multi-beam or girder carrying Bus 20 WB over IH 20 in Howard County, Texas. It was built in 1964, so it is 61 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 5 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 3,440 vehicles a day, roughly 37% of them trucks, projected to reach 4,820 by 2033. The structure is 402 ft (122.5 m) long and 31 ft wide.

CarriesBus 20 WB
CrossesIH 20
Location3.0 MI W of US 87
RouteState Highway 20
StateTexas
Coordinates32.2332, -101.5264
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating34 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length402 ft (122.5 m)
Longest span100 ft (30.5 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,440 (2013)
Projected traffic4,820 by 2033
Trucks37%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$29,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Bus 20 WB over IH 20 built?

It was built in 1964, making it 61 years old in 2025.

What condition is Bus 20 WB over IH 20 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 June 2023.

How much traffic does Bus 20 WB over IH 20 carry?

About 3,440 vehicles per day (2013 count), of which roughly 37% are trucks.

How long is Bus 20 WB over IH 20?

The structure is 402 ft (122.5 m) long with a longest span of 100 ft (30.5 m) and a deck 31 ft wide.

Who owns Bus 20 WB over IH 20?

It is owned by the State Highway Agency.