US Bridges

CR 16A over Trout Creek

FairPosted for load

St. Johns County, Florida · 2.5 MI E of CR 210 · Structure no. 784028

Built
1957
68 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
140 ft
7 main spans
Daily traffic
3,200
2024 count
Owner
County
County Highway Agency

About this bridge

CR 16A over Trout Creek is a concrete slab carrying CR 16A over Trout Creek in St. Johns County, Florida. It was built in 1957, so it is 68 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. Its operating status is: posted for load restriction.

It carries about 3,200 vehicles a day, roughly 2% of them trucks, projected to reach 5,552 by 2046. The structure is 140 ft (42.7 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 16A
CrossesTrout Creek
Location2.5 MI E of CR 210
RouteCounty Highway 16A
StateFlorida
Coordinates30.01506, -81.56383
Functional classRural Minor Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.1 US tons
Inventory rating21.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadH 20
Structure length140 ft (42.7 m)
Longest span20 ft (6.1 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,200 (2024)
Projected traffic5,552 by 2046
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 CR 16A over Trout Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is CR 16A 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 2024.

How much traffic does CR 16A over Trout Creek carry?

About 3,200 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is CR 16A over Trout Creek?

The structure is 140 ft (42.7 m) long with a longest span of 20 ft (6.1 m) and a deck 33 ft wide.

Who owns CR 16A over Trout Creek?

It is owned by the County Highway Agency.