US Bridges

Polk ST over Lp 12

Fair

Dallas County, Texas · 0.35 MI E of US 67 · Structure no. 180570058102085

Built
1967
58 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
210 ft
2 main spans
Daily traffic
29,360
2020 count
Owner
State
State Highway Agency

About this bridge

Polk ST over Lp 12 is a steel continuous stringer/multi-beam or girder carrying Polk ST over Lp 12 in Dallas County, Texas. It was built in 1967, so it is 58 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 29,360 vehicles a day, projected to reach 15,000 by 2036. The structure is 210 ft (64 m) long and 82 ft wide.

Location

Open in Google Maps
CarriesPolk ST
CrossesLp 12
Location0.35 MI E of US 67
RouteCity Street 163
CountyDallas County
StateTexas
Coordinates32.69095, -96.84019
Functional classUrban Minor 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71 US tons
Inventory rating42 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length210 ft (64 m)
Longest span60 ft (18.3 m)
Deck width82 ft (25 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,360 (2020)
Projected traffic15,000 by 2036
Trucks0%
Lanes on structure6
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$35,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Polk ST over Lp 12 built?

It was built in 1967, making it 58 years old in 2025.

What condition is Polk ST 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 Polk ST over Lp 12 carry?

About 29,360 vehicles per day (2020 count).

How long is Polk ST over Lp 12?

The structure is 210 ft (64 m) long with a longest span of 60 ft (18.3 m) and a deck 82 ft wide.

Who owns Polk ST over Lp 12?

It is owned by the State Highway Agency.