US Bridges

Old US 17 over Crescent Lake Outflow

Fair

Putnam County, Florida · 0.5 MI North of US 17 · Structure no. 764044

Built
1922
103 years old
Condition
Fair
inspected February 2025
Type
Slab
Concrete
Length
42 ft
2 main spans
Daily traffic
91
2023 count
Owner
County
County Highway Agency

About this bridge

Old US 17 over Crescent Lake Outflow is a concrete slab carrying Old US 17 over Crescent Lake Outflow in Putnam County, Florida. It was built in 1922, so it is 103 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 91 vehicles a day, roughly 5% of them trucks, projected to reach 158 by 2042. The structure is 42 ft (12.8 m) long and 23 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesOld US 17
CrossesCrescent Lake Outflow
Location0.5 MI North of US 17
RouteCounty Highway 0
StateFlorida
Coordinates29.45972, -81.52
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.2 US tons
Inventory rating64.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length42 ft (12.8 m)
Longest span21 ft (6.4 m)
Deck width23 ft (7.1 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic91 (2023)
Projected traffic158 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Old US 17 over Crescent Lake Outflow built?

It was built in 1922, making it 103 years old in 2025.

What condition is Old US 17 over Crescent Lake Outflow 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 2025.

How much traffic does Old US 17 over Crescent Lake Outflow carry?

About 91 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Old US 17 over Crescent Lake Outflow?

The structure is 42 ft (12.8 m) long with a longest span of 21 ft (6.4 m) and a deck 23 ft wide.

Who owns Old US 17 over Crescent Lake Outflow?

It is owned by the County Highway Agency.