US Bridges

SR-21 (blanding) over Fishweir Creek

Fair

Duval County, Florida · 100 Ft. S.Of Hamilton St. · Structure no. 720123

Built
1968
57 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
23 ft
3 main spans
Daily traffic
26,500
2022 count
Owner
State
State Highway Agency

About this bridge

SR-21 (blanding) over Fishweir Creek is a concrete culvert carrying SR-21 (blanding) over Fishweir Creek in Duval County, Florida. It was built in 1968, so it is 57 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 26,500 vehicles a day, roughly 4% of them trucks, projected to reach 45,978 by 2044. The structure is 23 ft (7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR-21 (blanding)
CrossesFishweir Creek
Location100 Ft. S.Of Hamilton St.
RouteState Highway 21
StateFlorida
Coordinates30.29406, -81.72246
Functional classUrban Other Principal 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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.8 US tons
Inventory rating41.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length23 ft (7 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,500 (2022)
Projected traffic45,978 by 2044
Trucks4%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR-21 (blanding) over Fishweir Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is SR-21 (blanding) over Fishweir 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 June 2023.

How much traffic does SR-21 (blanding) over Fishweir Creek carry?

About 26,500 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is SR-21 (blanding) over Fishweir Creek?

The structure is 23 ft (7 m) long with a longest span of 7 ft (2.1 m).

Who owns SR-21 (blanding) over Fishweir Creek?

It is owned by the State Highway Agency.