US Bridges

SR-100 over Canal

Fair

Putnam County, Florida · 3.5 Mi. Se. of US-17 · Structure no. 760021

Built
1933
92 years old, rebuilt 2001
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
5,400
2022 count
Owner
State
State Highway Agency

About this bridge

SR-100 over Canal is a concrete culvert carrying SR-100 over Canal in Putnam County, Florida. It was built in 1933 and reconstructed in 2001, so it is 92 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 5,400 vehicles a day, roughly 16% of them trucks, projected to reach 9,369 by 2042. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesSR-100
CrossesCanal
Location3.5 Mi. Se. of US-17
RouteState Highway 100
CountyPutnam County
StateFlorida
Coordinates29.57, -81.54889
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.2 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,400 (2022)
Projected traffic9,369 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR-100 over Canal built?

It was built in 1933, making it 92 years old in 2025. It was reconstructed in 2001.

What condition is SR-100 over Canal 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 2024.

How much traffic does SR-100 over Canal carry?

About 5,400 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is SR-100 over Canal?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns SR-100 over Canal?

It is owned by the State Highway Agency.