US Bridges

US-41 (SR-25 &100) over Frog Creek

Fair

Hamilton County, Florida · 2.2 Mi. S. of Jennings · Structure no. 320920

Built
1957
68 years old, rebuilt 1987
Condition
Fair
inspected February 2025
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
1,600
2023 count
Owner
State
State Highway Agency

About this bridge

US-41 (SR-25 &100) over Frog Creek is a concrete culvert carrying US-41 (SR-25 &100) over Frog Creek in Hamilton County, Florida. It was built in 1957 and reconstructed in 1987, so it is 68 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 1,600 vehicles a day, roughly 9% of them trucks, projected to reach 2,776 by 2045. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS-41 (SR-25 &100)
CrossesFrog Creek
Location2.2 Mi. S. of Jennings
RouteU.S. Route 41
StateFlorida
Coordinates30.57005, -83.078
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 inspectionFebruary 2025
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 rating86.5 US tons
Inventory rating51.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length21 ft (6.3 m)
Longest span10 ft (3.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2023)
Projected traffic2,776 by 2045
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 US-41 (SR-25 &100) over Frog Creek built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1987.

What condition is US-41 (SR-25 &100) over Frog 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 February 2025.

How much traffic does US-41 (SR-25 &100) over Frog Creek carry?

About 1,600 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is US-41 (SR-25 &100) over Frog Creek?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3.1 m).

Who owns US-41 (SR-25 &100) over Frog Creek?

It is owned by the State Highway Agency.