US Bridges

SE 78th Place over Swift Creek

PoorPosted for load

Hamilton County, Florida · 0.4 MI West of CR 137 · Structure no. 324232

Built
1988
37 years old
Condition
Poor
inspected December 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
51 ft
4 main spans
Daily traffic
101
2023 count
Owner
County
County Highway Agency

About this bridge

SE 78th Place over Swift Creek is a wood or timber stringer/multi-beam or girder carrying SE 78th Place over Swift Creek in Hamilton County, Florida. It was built in 1988, so it is 37 years old, younger than the Florida average of 41.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 101 vehicles a day, roughly 5% of them trucks, projected to reach 175 by 2042. The structure is 51 ft (15.6 m) long and 14 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSE 78th Place
CrossesSwift Creek
Location0.4 MI West of CR 137
RouteCounty Highway 0
StateFlorida
Coordinates30.40847, -82.79033
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating11.5 US tons
Inventory rating8.9 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans4
Design loadUnknown
Structure length51 ft (15.6 m)
Longest span14 ft (4.3 m)
Deck width14 ft (4.2 m)
Roadway width12 ft (3.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic101 (2023)
Projected traffic175 by 2042
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 SE 78th Place over Swift Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is SE 78th Place over Swift Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2023.

How much traffic does SE 78th Place over Swift Creek carry?

About 101 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is SE 78th Place over Swift Creek?

The structure is 51 ft (15.6 m) long with a longest span of 14 ft (4.3 m) and a deck 14 ft wide.

Who owns SE 78th Place over Swift Creek?

It is owned by the County Highway Agency.