US Bridges

SR-51 over Calf Creek

Good

Lafayette County, Florida · 7.9 Mi. S. of Mayo · Structure no. 330030

Built
2001
24 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete
Length
90 ft
4 main spans
Daily traffic
768
2023 count
Owner
State
State Highway Agency

About this bridge

SR-51 over Calf Creek is a concrete culvert carrying SR-51 over Calf Creek in Lafayette County, Florida. It was built in 2001, so it is 24 years old, younger than the Florida average of 41.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 768 vehicles a day, roughly 25% of them trucks, projected to reach 1,332 by 2042. The structure is 90 ft (27.3 m) long. If it were closed, the detour would be 28 mi (45 km).

CarriesSR-51
CrossesCalf Creek
Location7.9 Mi. S. of Mayo
RouteState Highway 51
StateFlorida
Coordinates29.96205, -83.23484
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.4 US tons
Inventory rating43.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20 + Mod
Structure length90 ft (27.3 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic768 (2023)
Projected traffic1,332 by 2042
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 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-51 over Calf Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is SR-51 over Calf Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

How much traffic does SR-51 over Calf Creek carry?

About 768 vehicles per day (2023 count), of which roughly 25% are trucks.

How long is SR-51 over Calf Creek?

The structure is 90 ft (27.3 m) long with a longest span of 20 ft (6.1 m).

Who owns SR-51 over Calf Creek?

It is owned by the State Highway Agency.