US Bridges

SR277 over Sand Hill Bay

Fair

Washington County, Florida · 2.5 MI South of I10 · Structure no. 610073

Built
1981
44 years old
Condition
Fair
inspected April 2023
Type
Slab
Prestressed Concrete
Length
155 ft
5 main spans
Daily traffic
2,900
2022 count
Owner
State
State Highway Agency

About this bridge

SR277 over Sand Hill Bay is a prestressed concrete slab carrying SR277 over Sand Hill Bay in Washington County, Florida. It was built in 1981, so it is 44 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 2,900 vehicles a day, roughly 12% of them trucks, projected to reach 5,032 by 2044. The structure is 155 ft (47.2 m) long and 48 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSR277
CrossesSand Hill Bay
Location2.5 MI South of I10
RouteState Highway 277
CountyWashington County
StateFlorida
Coordinates30.72654, -85.61272
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.9 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length155 ft (47.2 m)
Longest span31 ft (9.4 m)
Deck width48 ft (14.6 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,900 (2022)
Projected traffic5,032 by 2044
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 SR277 over Sand Hill Bay built?

It was built in 1981, making it 44 years old in 2025.

What condition is SR277 over Sand Hill Bay 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 April 2023.

How much traffic does SR277 over Sand Hill Bay carry?

About 2,900 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is SR277 over Sand Hill Bay?

The structure is 155 ft (47.2 m) long with a longest span of 31 ft (9.4 m) and a deck 48 ft wide.

Who owns SR277 over Sand Hill Bay?

It is owned by the State Highway Agency.