US Bridges

106th Avenue over Sampson River

PoorPosted for load

Bradford County, Florida · 0.7 MI North of CR 18 · Structure no. 284021

Built
1965
60 years old
Condition
Poor
inspected September 2023
Type
Slab
Concrete
Length
60 ft
4 main spans
Daily traffic
31
2023 count
Owner
County
County Highway Agency

About this bridge

106th Avenue over Sampson River is a concrete slab carrying 106th Avenue over Sampson River in Bradford County, Florida. It was built in 1965, so it is 60 years old, older 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 31 vehicles a day, projected to reach 54 by 2042. The structure is 60 ft (18.3 m) long and 14 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
Carries106th Avenue
CrossesSampson River
Location0.7 MI North of CR 18
RouteCounty Highway 0
CountyBradford County
StateFlorida
Coordinates29.87008, -82.22239
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating15.5 US tons
Inventory rating11.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadUnknown
Structure length60 ft (18.3 m)
Longest span15 ft (4.6 m)
Deck width14 ft (4.3 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31 (2023)
Projected traffic54 by 2042
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$178,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 106th Avenue over Sampson River built?

It was built in 1965, making it 60 years old in 2025.

What condition is 106th Avenue over Sampson River 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 September 2023.

How much traffic does 106th Avenue over Sampson River carry?

About 31 vehicles per day (2023 count).

How long is 106th Avenue over Sampson River?

The structure is 60 ft (18.3 m) long with a longest span of 15 ft (4.6 m) and a deck 14 ft wide.

Who owns 106th Avenue over Sampson River?

It is owned by the County Highway Agency.