US Bridges

IH 345 SB On-Rp N over IH 45 Row

Fair

Dallas County, Texas · 0.1 MI N of Live Oak ST · Structure no. 180570009214210

Built
1973
52 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
292 ft
4 main spans
Daily traffic
16,900
2016 count
Owner
State
State Highway Agency

About this bridge

IH 345 SB On-Rp N over IH 45 Row is a steel continuous stringer/multi-beam or girder carrying IH 345 SB On-Rp N over IH 45 Row in Dallas County, Texas. It was built in 1973, so it is 52 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 16,900 vehicles a day, roughly 17% of them trucks, projected to reach 26,110 by 2036. The structure is 292 ft (89 m) long and 22 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIH 345 SB On-Rp N
CrossesIH 45 Row
Location0.1 MI N of Live Oak ST
RouteInterstate 345
CountyDallas County
StateTexas
Coordinates32.78717, -96.79215
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating37 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length292 ft (89 m)
Longest span85 ft (25.9 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,900 (2016)
Projected traffic26,110 by 2036
Trucks17%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo
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 SB On-Rp N over IH 45 Row built?

It was built in 1973, making it 52 years old in 2025.

What condition is IH 345 SB On-Rp N over IH 45 Row 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 March 2024.

How much traffic does IH 345 SB On-Rp N over IH 45 Row carry?

About 16,900 vehicles per day (2016 count), of which roughly 17% are trucks.

How long is IH 345 SB On-Rp N over IH 45 Row?

The structure is 292 ft (89 m) long with a longest span of 85 ft (25.9 m) and a deck 22 ft wide.

Who owns IH 345 SB On-Rp N over IH 45 Row?

It is owned by the State Highway Agency.