US Bridges

US90 SR10 over Saultsman Bayou

Fair

Santa Rosa County, Florida · 1.2MI East of Co. Line · Structure no. 580054

Built
1949
76 years old
Condition
Fair
inspected August 2024
Type
Tee Beam
Concrete
Length
330 ft
10 main spans
Daily traffic
20,750
2022 count
Owner
State
State Highway Agency

About this bridge

US90 SR10 over Saultsman Bayou is a concrete tee beam carrying US90 SR10 over Saultsman Bayou in Santa Rosa County, Florida. It was built in 1949, so it is 76 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 5 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 20,750 vehicles a day, roughly 6% of them trucks, projected to reach 36,001 by 2044. The structure is 330 ft (100.6 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS90 SR10
CrossesSaultsman Bayou
Location1.2MI East of Co. Line
RouteU.S. Route 90
StateFlorida
Coordinates30.56728, -87.18666
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating29 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length330 ft (100.6 m)
Longest span33 ft (10.1 m)
Deck width36 ft (10.9 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,750 (2022)
Projected traffic36,001 by 2044
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 US90 SR10 over Saultsman Bayou built?

It was built in 1949, making it 76 years old in 2025.

What condition is US90 SR10 over Saultsman Bayou 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 August 2024.

How much traffic does US90 SR10 over Saultsman Bayou carry?

About 20,750 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is US90 SR10 over Saultsman Bayou?

The structure is 330 ft (100.6 m) long with a longest span of 33 ft (10.1 m) and a deck 36 ft wide.

Who owns US90 SR10 over Saultsman Bayou?

It is owned by the State Highway Agency.