US Bridges

Lp 12 NB over Delaware Creek

Fair

Dallas County, Texas · 1.10 MI S of SH 356 · Structure no. 180570058102075

Built
1976
49 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
450 ft
9 main spans
Daily traffic
64,455
2023 count
Owner
State
State Highway Agency

About this bridge

Lp 12 NB over Delaware Creek is a prestressed concrete stringer/multi-beam or girder carrying Lp 12 NB over Delaware Creek in Dallas County, Texas. It was built in 1976, so it is 49 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 64,455 vehicles a day, roughly 7% of them trucks, projected to reach 78,100 by 2033. The structure is 450 ft (137.2 m) long and 62 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLp 12 NB
CrossesDelaware Creek
Location1.10 MI S of SH 356
RouteState Highway 12
CountyDallas County
StateTexas
Coordinates32.79355, -96.92028
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length450 ft (137.2 m)
Longest span50 ft (15.2 m)
Deck width62 ft (19 m)
Roadway width59 ft (18.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic64,455 (2023)
Projected traffic78,100 by 2033
Trucks7%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lp 12 NB over Delaware Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is Lp 12 NB over Delaware Creek 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 January 2024.

How much traffic does Lp 12 NB over Delaware Creek carry?

About 64,455 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Lp 12 NB over Delaware Creek?

The structure is 450 ft (137.2 m) long with a longest span of 50 ft (15.2 m) and a deck 62 ft wide.

Who owns Lp 12 NB over Delaware Creek?

It is owned by the State Highway Agency.