US Bridges

US98 SR30 over Williams Creek

Fair

Santa Rosa County, Florida · 1.0MI West of SR87 · Structure no. 580085

Built
1955
70 years old, rebuilt 1995
Condition
Fair
inspected December 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
41,500
2022 count
Owner
State
State Highway Agency

About this bridge

US98 SR30 over Williams Creek is a concrete culvert carrying US98 SR30 over Williams Creek in Santa Rosa County, Florida. It was built in 1955 and reconstructed in 1995, so it is 70 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 41,500 vehicles a day, roughly 5% of them trucks, projected to reach 72,002 by 2044. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 21.7 mi (35 km).

Location

Open in Google Maps
CarriesUS98 SR30
CrossesWilliams Creek
Location1.0MI West of SR87
RouteU.S. Route 98
CountySanta Rosa County
StateFlorida
Coordinates30.40176, -86.88961
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 inspectionDecember 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 rating63.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41,500 (2022)
Projected traffic72,002 by 2044
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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 US98 SR30 over Williams Creek built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1995.

What condition is US98 SR30 over Williams 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 December 2023.

How much traffic does US98 SR30 over Williams Creek carry?

About 41,500 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is US98 SR30 over Williams Creek?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m).

Who owns US98 SR30 over Williams Creek?

It is owned by the State Highway Agency.