US Bridges

Union Bower RD over Lp 12

Fair

Dallas County, Texas · 0.95 MI S of SH 183 · Structure no. 180570058102048

Built
1969
56 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
244 ft
2 main spans
Daily traffic
3,820
2019 count
Owner
State
State Highway Agency

About this bridge

Union Bower RD over Lp 12 is a prestressed concrete stringer/multi-beam or girder carrying Union Bower RD over Lp 12 in Dallas County, Texas. It was built in 1969, so it is 56 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 3,820 vehicles a day, projected to reach 3,000 by 2036. The structure is 244 ft (74.4 m) long and 54 ft wide.

Location

Open in Google Maps
CarriesUnion Bower RD
CrossesLp 12
Location0.95 MI S of SH 183
RouteCity Street 0
CountyDallas County
StateTexas
Coordinates32.82381, -96.91951
Functional classUrban Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53 US tons
Inventory rating23 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadH 20
Structure length244 ft (74.4 m)
Longest span76 ft (23.2 m)
Deck width54 ft (16.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,820 (2019)
Projected traffic3,000 by 2036
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

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$25,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Union Bower RD over Lp 12 built?

It was built in 1969, making it 56 years old in 2025.

What condition is Union Bower RD over Lp 12 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 Union Bower RD over Lp 12 carry?

About 3,820 vehicles per day (2019 count).

How long is Union Bower RD over Lp 12?

The structure is 244 ft (74.4 m) long with a longest span of 76 ft (23.2 m) and a deck 54 ft wide.

Who owns Union Bower RD over Lp 12?

It is owned by the State Highway Agency.