US Bridges

IH 20 WB over Union Pacific RR

Fair

Howard County, Texas · 2.1 MI E of US 87 · Structure no. 081150000506126

Built
1964
61 years old, rebuilt 1991
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
627 ft
12 main spans
Daily traffic
12,025
2019 count
Owner
State
State Highway Agency

About this bridge

IH 20 WB over Union Pacific RR is a steel continuous stringer/multi-beam or girder carrying IH 20 WB over Union Pacific RR in Howard County, Texas. It was built in 1964 and reconstructed in 1991, 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 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 12,025 vehicles a day, roughly 43% of them trucks, projected to reach 11,490 by 2033. The structure is 627 ft (191.1 m) long and 40 ft wide.

CarriesIH 20 WB
CrossesUnion Pacific RR
Location2.1 MI E of US 87
RouteInterstate 20
StateTexas
Coordinates32.26225, -101.45419
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans12 (+1 approach)
Design loadHS 20
Structure length627 ft (191.1 m)
Longest span55 ft (16.8 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,025 (2019)
Projected traffic11,490 by 2033
Trucks43%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed—
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$2.8 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 20 WB over Union Pacific RR built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1991.

What condition is IH 20 WB over Union Pacific RR 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 IH 20 WB over Union Pacific RR carry?

About 12,025 vehicles per day (2019 count), of which roughly 43% are trucks.

How long is IH 20 WB over Union Pacific RR?

The structure is 627 ft (191.1 m) long with a longest span of 55 ft (16.8 m) and a deck 40 ft wide.

Who owns IH 20 WB over Union Pacific RR?

It is owned by the State Highway Agency.