US Bridges

N Carrier Pkwy SB over Johnson Creek

Fair

Dallas County, Texas · 1.20 MI N of IH 30 · Structure no. 180570F21233009

Built
1975
50 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
320 ft
4 main spans
Daily traffic
5,503
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

N Carrier Pkwy SB over Johnson Creek is a prestressed concrete stringer/multi-beam or girder carrying N Carrier Pkwy SB over Johnson Creek in Dallas County, Texas. It was built in 1975, so it is 50 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 5,503 vehicles a day, roughly 3% of them trucks, projected to reach 11,933 by 2037. The structure is 320 ft (97.5 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesN Carrier Pkwy SB
CrossesJohnson Creek
Location1.20 MI N of IH 30
RouteCity Street 0
CountyDallas County
StateTexas
Coordinates32.77467, -97.02841
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length320 ft (97.5 m)
Longest span80 ft (24.4 m)
Deck width36 ft (11 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,503 (2022)
Projected traffic11,933 by 2037
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$21,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N Carrier Pkwy SB over Johnson Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is N Carrier Pkwy SB over Johnson 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 February 2023.

How much traffic does N Carrier Pkwy SB over Johnson Creek carry?

About 5,503 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is N Carrier Pkwy SB over Johnson Creek?

The structure is 320 ft (97.5 m) long with a longest span of 80 ft (24.4 m) and a deck 36 ft wide.

Who owns N Carrier Pkwy SB over Johnson Creek?

It is owned by the City or Municipal Highway Agency.