US Bridges

IH 345 over Ross Ave

Fair

Dallas County, Texas · 1.25 MI N of IH 30 · Structure no. 180570004707044

Built
1949
76 years old, rebuilt 1973
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
323 ft
3 main spans
Daily traffic
180,381
2022 count
Owner
State
State Highway Agency

About this bridge

IH 345 over Ross Ave is a steel continuous stringer/multi-beam or girder carrying IH 345 over Ross Ave in Dallas County, Texas. It was built in 1949 and reconstructed in 1973, so it is 76 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 180,381 vehicles a day, roughly 6% of them trucks, projected to reach 255,366 by 2042. The structure is 323 ft (98.5 m) long and 106 ft wide.

Location

Open in Google Maps
CarriesIH 345
CrossesRoss Ave
Location1.25 MI N of IH 30
RouteU.S. Route 75
CountyDallas County
StateTexas
Coordinates32.79251, -96.79249
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 20
Structure length323 ft (98.5 m)
Longest span96 ft (29.3 m)
Deck width106 ft (32.2 m)
Roadway width100 ft (30.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic180,381 (2022)
Projected traffic255,366 by 2042
Trucks6%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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 IH 345 over Ross Ave built?

It was built in 1949, making it 76 years old in 2025. It was reconstructed in 1973.

What condition is IH 345 over Ross Ave 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 May 2024.

How much traffic does IH 345 over Ross Ave carry?

About 180,381 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is IH 345 over Ross Ave?

The structure is 323 ft (98.5 m) long with a longest span of 96 ft (29.3 m) and a deck 106 ft wide.

Who owns IH 345 over Ross Ave?

It is owned by the State Highway Agency.