US Bridges

Lp 12 over Ash Creek

Good

Dallas County, Texas · 0.2 MI NW of Ferguson ST · Structure no. 180570058101086

Built
1978
47 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
90 ft
1 main span
Daily traffic
30,044
2020 count
Owner
State
State Highway Agency

About this bridge

Lp 12 over Ash Creek is a prestressed concrete stringer/multi-beam or girder carrying Lp 12 over Ash Creek in Dallas County, Texas. It was built in 1978, so it is 47 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 30,044 vehicles a day, roughly 2% of them trucks, projected to reach 43,490 by 2033. The structure is 90 ft (27.4 m) long and 94 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLp 12
CrossesAsh Creek
Location0.2 MI NW of Ferguson ST
RouteState Highway 12
StateTexas
Coordinates32.82028, -96.69183
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span90 ft (27.4 m)
Deck width94 ft (28.6 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,044 (2020)
Projected traffic43,490 by 2033
Trucks2%
Lanes on structure7
Traffic directionTwo-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 statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$18,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Lp 12 over Ash Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is Lp 12 over Ash Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2023.

How much traffic does Lp 12 over Ash Creek carry?

About 30,044 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Lp 12 over Ash Creek?

The structure is 90 ft (27.4 m) long with a longest span of 90 ft (27.4 m) and a deck 94 ft wide.

Who owns Lp 12 over Ash Creek?

It is owned by the State Highway Agency.