US Bridges

8th Ave. SW over Mckay Creek

Good

Pinellas County, Florida · 0.3MI E Indian Rocks RD · Structure no. 154221

Built
1995
30 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
41 ft
1 main span
Daily traffic
4,400
2023 count
Owner
County
County Highway Agency

About this bridge

8th Ave. SW over Mckay Creek is a concrete culvert carrying 8th Ave. SW over Mckay Creek in Pinellas County, Florida. It was built in 1995, so it is 30 years old, younger than the Florida average of 41.3 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 4,400 vehicles a day, roughly 4% of them trucks, projected to reach 7,634 by 2042. The structure is 41 ft (12.4 m) long and 45 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries8th Ave. SW
CrossesMckay Creek
Location0.3MI E Indian Rocks RD
RouteCity Street 0
CountyPinellas County
StateFlorida
Coordinates27.90953, -82.81606
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.3 US tons
Inventory rating37.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length41 ft (12.4 m)
Longest span41 ft (12.4 m)
Deck width45 ft (13.6 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,400 (2023)
Projected traffic7,634 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 8th Ave. SW over Mckay Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is 8th Ave. SW over Mckay 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 September 2023.

How much traffic does 8th Ave. SW over Mckay Creek carry?

About 4,400 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is 8th Ave. SW over Mckay Creek?

The structure is 41 ft (12.4 m) long with a longest span of 41 ft (12.4 m) and a deck 45 ft wide.

Who owns 8th Ave. SW over Mckay Creek?

It is owned by the County Highway Agency.