US Bridges

SR-776 over Sam Knight Creek

Fair

Charlotte County, Florida · 3.2MI West of US-41 · Structure no. 010031

Built
1962
63 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
37 ft
3 main spans
Daily traffic
35,000
2024 count
Owner
State
State Highway Agency

About this bridge

SR-776 over Sam Knight Creek is a concrete culvert carrying SR-776 over Sam Knight Creek in Charlotte County, Florida. It was built in 1962, so it is 63 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 35,000 vehicles a day, roughly 9% of them trucks, projected to reach 60,725 by 2044. The structure is 37 ft (11.3 m) long. If it were closed, the detour would be 19.9 mi (32 km).

CarriesSR-776
CrossesSam Knight Creek
Location3.2MI West of US-41
RouteState Highway 776
StateFlorida
Coordinates26.99584, -82.19599
Functional classUrban 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 inspectionMay 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 rating74.2 US tons
Inventory rating44.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span10 ft (3.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,000 (2024)
Projected traffic60,725 by 2044
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed19.9 mi (32 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-776 over Sam Knight Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is SR-776 over Sam Knight 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 May 2024.

How much traffic does SR-776 over Sam Knight Creek carry?

About 35,000 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is SR-776 over Sam Knight Creek?

The structure is 37 ft (11.3 m) long with a longest span of 10 ft (3.2 m).

Who owns SR-776 over Sam Knight Creek?

It is owned by the State Highway Agency.