US Bridges

W Shannon Lakes DR over Lake Killarney

Fair

Leon County, Florida · 0.4 MI N of Shamrock ST · Structure no. 555188

Built
1970
55 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
38 ft
3 main spans
Daily traffic
3,100
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

W Shannon Lakes DR over Lake Killarney is a concrete culvert carrying W Shannon Lakes DR over Lake Killarney in Leon County, Florida. It was built in 1970, so it is 55 years old, older than the Florida average of 41.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 3,100 vehicles a day, projected to reach 3,130 by 2042. The structure is 38 ft (11.7 m) long and 90 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesW Shannon Lakes DR
CrossesLake Killarney
Location0.4 MI N of Shamrock ST
RouteCity Street 0
StateFlorida
Coordinates30.53236, -84.21642
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating92.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length38 ft (11.7 m)
Longest span10 ft (3 m)
Deck width90 ft (27.4 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,100 (2022)
Projected traffic3,130 by 2042
Trucks0%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 W Shannon Lakes DR over Lake Killarney built?

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

What condition is W Shannon Lakes DR over Lake Killarney 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 September 2023.

How much traffic does W Shannon Lakes DR over Lake Killarney carry?

About 3,100 vehicles per day (2022 count).

How long is W Shannon Lakes DR over Lake Killarney?

The structure is 38 ft (11.7 m) long with a longest span of 10 ft (3 m) and a deck 90 ft wide.

Who owns W Shannon Lakes DR over Lake Killarney?

It is owned by the City or Municipal Highway Agency.