US Bridges

Porfirio Diaz ST over IH 10

Fair

El Paso County, Texas · 0.75 MI W of SH 20(MESA) · Structure no. 240720212102187

Built
1968
57 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
185 ft
2 main spans
Daily traffic
2,626
2022 count
Owner
State
State Highway Agency

About this bridge

Porfirio Diaz ST over IH 10 is a steel continuous stringer/multi-beam or girder carrying Porfirio Diaz ST over IH 10 in El Paso County, Texas. It was built in 1968, so it is 57 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 2,626 vehicles a day, roughly 4% of them trucks, projected to reach 3,676 by 2046. The structure is 185 ft (56.4 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesPorfirio Diaz ST
CrossesIH 10
Location0.75 MI W of SH 20(MESA)
RouteCity Street 0
CountyEl Paso County
StateTexas
Coordinates31.75986, -106.50241
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating28 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length185 ft (56.4 m)
Longest span97 ft (29.6 m)
Deck width35 ft (10.6 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,626 (2022)
Projected traffic3,676 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Porfirio Diaz ST over IH 10 built?

It was built in 1968, making it 57 years old in 2025.

What condition is Porfirio Diaz ST over IH 10 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 Porfirio Diaz ST over IH 10 carry?

About 2,626 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Porfirio Diaz ST over IH 10?

The structure is 185 ft (56.4 m) long with a longest span of 97 ft (29.6 m) and a deck 35 ft wide.

Who owns Porfirio Diaz ST over IH 10?

It is owned by the State Highway Agency.