US Bridges

Lp 12 WB over Bachman Branch

Good

Dallas County, Texas · 3.40 MI W of US 75 · Structure no. 180570035305088

Built
1970
55 years old
Condition
Good
inspected January 2024
Type
Slab
Concrete Continuous
Length
171 ft
6 main spans
Daily traffic
14,870
2019 count
Owner
State
State Highway Agency

About this bridge

Lp 12 WB over Bachman Branch is a concrete continuous slab carrying Lp 12 WB over Bachman Branch in Dallas County, Texas. It was built in 1970, so it is 55 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 14,870 vehicles a day, roughly 2% of them trucks, projected to reach 53,330 by 2033. The structure is 171 ft (52.1 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLp 12 WB
CrossesBachman Branch
Location3.40 MI W of US 75
RouteState Highway 12
StateTexas
Coordinates32.86361, -96.83013
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 inspectionJanuary 2024
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.9 US tons
Inventory rating38 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadH 20
Structure length171 ft (52.1 m)
Longest span28 ft (8.5 m)
Deck width46 ft (14 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,870 (2019)
Projected traffic53,330 by 2033
Trucks2%
Lanes on structure3
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$14,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Lp 12 WB over Bachman Branch built?

It was built in 1970, making it 55 years old in 2025.

What condition is Lp 12 WB over Bachman Branch 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 January 2024.

How much traffic does Lp 12 WB over Bachman Branch carry?

About 14,870 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is Lp 12 WB over Bachman Branch?

The structure is 171 ft (52.1 m) long with a longest span of 28 ft (8.5 m) and a deck 46 ft wide.

Who owns Lp 12 WB over Bachman Branch?

It is owned by the State Highway Agency.