US Bridges

SR-13 over Trout Creek

Fair

St. Johns County, Florida · 2 Mi. S. of SR-16 · Structure no. 780042

Built
1969
56 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
420 ft
10 main spans
Daily traffic
11,000
2022 count
Owner
State
State Highway Agency

About this bridge

SR-13 over Trout Creek is a prestressed concrete stringer/multi-beam or girder carrying SR-13 over Trout Creek in St. Johns County, Florida. It was built in 1969, so it is 56 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 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 11,000 vehicles a day, roughly 9% of them trucks, projected to reach 19,085 by 2044. The structure is 420 ft (128 m) long and 46 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSR-13
CrossesTrout Creek
Location2 Mi. S. of SR-16
RouteState Highway 13
CountySt. Johns County
StateFlorida
Coordinates29.985, -81.56583
Functional classRural Principal Arterial - Other

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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.1 US tons
Inventory rating41.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length420 ft (128 m)
Longest span42 ft (12.8 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,000 (2022)
Projected traffic19,085 by 2044
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was SR-13 over Trout Creek built?

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

What condition is SR-13 over Trout 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 October 2023.

How much traffic does SR-13 over Trout Creek carry?

About 11,000 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is SR-13 over Trout Creek?

The structure is 420 ft (128 m) long with a longest span of 42 ft (12.8 m) and a deck 46 ft wide.

Who owns SR-13 over Trout Creek?

It is owned by the State Highway Agency.