US Bridges

Lp 12 over Old RR Bed

Fair

Dallas County, Texas · 1.70 MI E of US 75 · Structure no. 180570035305036

Built
1931
94 years old, rebuilt 1961
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
120 ft
1 main span
Daily traffic
28,710
2020 count
Owner
State
State Highway Agency

About this bridge

Lp 12 over Old RR Bed is a steel stringer/multi-beam or girder carrying Lp 12 over Old RR Bed in Dallas County, Texas. It was built in 1931 and reconstructed in 1961, so it is 94 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 28,710 vehicles a day, roughly 2% of them trucks, projected to reach 59,400 by 2033. The structure is 120 ft (36.6 m) long and 89 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLp 12
CrossesOld RR Bed
Location1.70 MI E of US 75
RouteState Highway 12
CountyDallas County
StateTexas
Coordinates32.85573, -96.74442
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating28 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadUnknown
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width89 ft (27.2 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,710 (2020)
Projected traffic59,400 by 2033
Trucks2%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesOther
Detour if closed1.2 mi (2 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$21,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Lp 12 over Old RR Bed built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1961.

What condition is Lp 12 over Old RR Bed 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 December 2023.

How much traffic does Lp 12 over Old RR Bed carry?

About 28,710 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Lp 12 over Old RR Bed?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 89 ft wide.

Who owns Lp 12 over Old RR Bed?

It is owned by the State Highway Agency.