US Bridges

IH 345 NB Conn J over Main Good Latimer Etc

Fair

Dallas County, Texas · At IH30/IH345 Interchange · Structure no. 180570009214191

Built
1971
54 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,101 ft
8 main spans
Daily traffic
194,018
2023 count
Owner
State
State Highway Agency

About this bridge

IH 345 NB Conn J over Main Good Latimer Etc is a steel continuous stringer/multi-beam or girder carrying IH 345 NB Conn J over Main Good Latimer Etc in Dallas County, Texas. It was built in 1971, so it is 54 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 194,018 vehicles a day, roughly 3% of them trucks, projected to reach 130,550 by 2036. The structure is 1,101 ft (335.6 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIH 345 NB Conn J
CrossesMain Good Latimer Etc
LocationAt IH30/IH345 Interchange
RouteInterstate 345
CountyDallas County
StateTexas
Coordinates32.78306, -96.78706
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42 US tons
Inventory rating26 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans8 (+4 approach)
Design loadHS 20
Structure length1,101 ft (335.6 m)
Longest span145 ft (44.2 m)
Deck width36 ft (10.9 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic194,018 (2023)
Projected traffic130,550 by 2036
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.2 mi (2 km)
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 345 NB Conn J over Main Good Latimer Etc built?

It was built in 1971, making it 54 years old in 2025.

What condition is IH 345 NB Conn J over Main Good Latimer Etc 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 April 2024.

How much traffic does IH 345 NB Conn J over Main Good Latimer Etc carry?

About 194,018 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is IH 345 NB Conn J over Main Good Latimer Etc?

The structure is 1,101 ft (335.6 m) long with a longest span of 145 ft (44.2 m) and a deck 36 ft wide.

Who owns IH 345 NB Conn J over Main Good Latimer Etc?

It is owned by the State Highway Agency.