US Bridges

Cadiz ST over IH 30

Fair

Dallas County, Texas · 1.0 MI SW of IH 45 · Structure no. 180570000911192

Built
1965
60 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
477 ft
4 main spans
Daily traffic
5,176
2016 count
Owner
State
State Highway Agency

About this bridge

Cadiz ST over IH 30 is a steel continuous stringer/multi-beam or girder carrying Cadiz ST over IH 30 in Dallas 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 5,176 vehicles a day, projected to reach 9,317 by 2036. The structure is 477 ft (145.4 m) long and 57 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCadiz ST
CrossesIH 30
Location1.0 MI SW of IH 45
RouteCity Street 0
CountyDallas County
StateTexas
Coordinates32.77353, -96.79642
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69 US tons
Inventory rating41 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length477 ft (145.4 m)
Longest span131 ft (39.9 m)
Deck width57 ft (17.5 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,176 (2016)
Projected traffic9,317 by 2036
Trucks0%
Lanes on structure4
Traffic directionOne-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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$53,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Cadiz ST over IH 30 built?

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

What condition is Cadiz ST over IH 30 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 February 2024.

How much traffic does Cadiz ST over IH 30 carry?

About 5,176 vehicles per day (2016 count).

How long is Cadiz ST over IH 30?

The structure is 477 ft (145.4 m) long with a longest span of 131 ft (39.9 m) and a deck 57 ft wide.

Who owns Cadiz ST over IH 30?

It is owned by the State Highway Agency.