US Bridges

SR77 over Charles Williams Branch

Fair

Bay County, Florida · 8.1 Mi. S of Wash CO Line · Structure no. 460086

Built
1996
29 years old, rebuilt 2006
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
45 ft
3 main spans
Daily traffic
24,000
2022 count
Owner
State
State Highway Agency

About this bridge

SR77 over Charles Williams Branch is a concrete culvert carrying SR77 over Charles Williams Branch in Bay County, Florida. It was built in 1996 and reconstructed in 2006, so it is 29 years old, younger 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 24,000 vehicles a day, roughly 16% of them trucks, projected to reach 41,640 by 2044. The structure is 45 ft (13.8 m) long. If it were closed, the detour would be 24.2 mi (39 km).

Location

Open in Google Maps
CarriesSR77
CrossesCharles Williams Branch
Location8.1 Mi. S of Wash CO Line
RouteState Highway 77
CountyBay County
StateFlorida
Coordinates30.32211, -85.65975
Functional classRural Principal Arterial - Other

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 inspectionNovember 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 rating110.1 US tons
Inventory rating95.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length45 ft (13.8 m)
Longest span14 ft (4.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,000 (2022)
Projected traffic41,640 by 2044
Trucks16%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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 SR77 over Charles Williams Branch built?

It was built in 1996, making it 29 years old in 2025. It was reconstructed in 2006.

What condition is SR77 over Charles Williams Branch 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 November 2023.

How much traffic does SR77 over Charles Williams Branch carry?

About 24,000 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is SR77 over Charles Williams Branch?

The structure is 45 ft (13.8 m) long with a longest span of 14 ft (4.4 m).

Who owns SR77 over Charles Williams Branch?

It is owned by the State Highway Agency.