US Bridges

SR-121 over Kanapaha Creek

Fair

Alachua County, Florida · 4.9 Mi. S. of I-75 · Structure no. 260036

Built
1954
71 years old, rebuilt 1994
Condition
Fair
inspected December 2024
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
11,000
2023 count
Owner
State
State Highway Agency

About this bridge

SR-121 over Kanapaha Creek is a concrete culvert carrying SR-121 over Kanapaha Creek in Alachua County, Florida. It was built in 1954 and reconstructed in 1994, so it is 71 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 11,000 vehicles a day, roughly 7% of them trucks, projected to reach 19,085 by 2045. The structure is 31 ft (9.6 m) long. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesSR-121
CrossesKanapaha Creek
Location4.9 Mi. S. of I-75
RouteState Highway 121
CountyAlachua County
StateFlorida
Coordinates29.53948, -82.40089
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.3 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length31 ft (9.6 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 traffic11,000 (2023)
Projected traffic19,085 by 2045
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

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-121 over Kanapaha Creek built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1994.

What condition is SR-121 over Kanapaha 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 December 2024.

How much traffic does SR-121 over Kanapaha Creek carry?

About 11,000 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is SR-121 over Kanapaha Creek?

The structure is 31 ft (9.6 m) long with a longest span of 10 ft (3 m).

Who owns SR-121 over Kanapaha Creek?

It is owned by the State Highway Agency.