US Bridges

Lp 12 over BNSF Railroad

Fair

Dallas County, Texas · 0.10 MI SW of IH 45 · Structure no. 180570058101022

Built
1953
72 years old, rebuilt 1975
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
125 ft
3 main spans
Daily traffic
26,510
2022 count
Owner
State
State Highway Agency

About this bridge

Lp 12 over BNSF Railroad is a steel continuous stringer/multi-beam or girder carrying Lp 12 over BNSF Railroad in Dallas County, Texas. It was built in 1953 and reconstructed in 1975, so it is 72 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 26,510 vehicles a day, roughly 4% of them trucks, projected to reach 38,251 by 2040. The structure is 125 ft (38.1 m) long and 113 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesLp 12
CrossesBNSF Railroad
Location0.10 MI SW of IH 45
RouteState Highway 12
CountyDallas County
StateTexas
Coordinates32.70113, -96.75304
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
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 rating51 US tons
Inventory rating30.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length125 ft (38.1 m)
Longest span50 ft (15.2 m)
Deck width113 ft (34.4 m)
Roadway width96 ft (29.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,510 (2022)
Projected traffic38,251 by 2040
Trucks4%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

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 Lp 12 over BNSF Railroad built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 1975.

What condition is Lp 12 over BNSF Railroad 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 Lp 12 over BNSF Railroad carry?

About 26,510 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Lp 12 over BNSF Railroad?

The structure is 125 ft (38.1 m) long with a longest span of 50 ft (15.2 m) and a deck 113 ft wide.

Who owns Lp 12 over BNSF Railroad?

It is owned by the State Highway Agency.