US Bridges

US-221 (SR-55) over Rocky Creek

Fair

Taylor County, Florida · 6.2 Mi. N. of US-19 · Structure no. 380910

Built
1939
86 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
175 ft
7 main spans
Daily traffic
2,600
2022 count
Owner
State
State Highway Agency

About this bridge

US-221 (SR-55) over Rocky Creek is a steel continuous stringer/multi-beam or girder carrying US-221 (SR-55) over Rocky Creek in Taylor County, Florida. It was built in 1939, so it is 86 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 2,600 vehicles a day, roughly 11% of them trucks, projected to reach 4,511 by 2042. The structure is 175 ft (53.3 m) long and 27 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesUS-221 (SR-55)
CrossesRocky Creek
Location6.2 Mi. N. of US-19
RouteU.S. Route 221
CountyTaylor County
StateFlorida
Coordinates30.18694, -83.60222
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.3 US tons
Inventory rating37.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadH 15
Structure length175 ft (53.3 m)
Longest span25 ft (7.6 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,600 (2022)
Projected traffic4,511 by 2042
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$440,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US-221 (SR-55) over Rocky Creek built?

It was built in 1939, making it 86 years old in 2025.

What condition is US-221 (SR-55) over Rocky 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 January 2024.

How much traffic does US-221 (SR-55) over Rocky Creek carry?

About 2,600 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is US-221 (SR-55) over Rocky Creek?

The structure is 175 ft (53.3 m) long with a longest span of 25 ft (7.6 m) and a deck 27 ft wide.

Who owns US-221 (SR-55) over Rocky Creek?

It is owned by the State Highway Agency.