US Bridges

SR-21 over Clear Cut Creek

Fair

Clay County, Florida · 0.7 Mi. S. of SR-16 · Structure no. 710036

Built
1934
91 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
9,400
2023 count
Owner
State
State Highway Agency

About this bridge

SR-21 over Clear Cut Creek is a concrete culvert carrying SR-21 over Clear Cut Creek in Clay County, Florida. It was built in 1934, so it is 91 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 9,400 vehicles a day, roughly 11% of them trucks, projected to reach 16,309 by 2045. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 13 mi (21 km).

CarriesSR-21
CrossesClear Cut Creek
Location0.7 Mi. S. of SR-16
RouteState Highway 21
StateFlorida
Coordinates29.96843, -81.89771
Functional classRural Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 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 rating77.7 US tons
Inventory rating46.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
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 traffic9,400 (2023)
Projected traffic16,309 by 2045
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 km)
TollOn a free road
National Highway SystemNo

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-21 over Clear Cut Creek built?

It was built in 1934, making it 91 years old in 2025.

What condition is SR-21 over Clear Cut 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 SR-21 over Clear Cut Creek carry?

About 9,400 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR-21 over Clear Cut Creek?

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

Who owns SR-21 over Clear Cut Creek?

It is owned by the State Highway Agency.