US Bridges

SR-105 SB over I-95 (SR-9)

Fair

Duval County, Florida · SR-105 SB over I-95 · Structure no. 720023

Built
1959
66 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
236 ft
4 main spans
Daily traffic
6,300
2023 count
Owner
State
State Highway Agency

About this bridge

SR-105 SB over I-95 (SR-9) is a prestressed concrete stringer/multi-beam or girder carrying SR-105 SB over I-95 (SR-9) in Duval County, Florida. It was built in 1959, so it is 66 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 6,300 vehicles a day, roughly 16% of them trucks, projected to reach 10,931 by 2045. The structure is 236 ft (71.9 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR-105 SB
CrossesI-95 (SR-9)
LocationSR-105 SB over I-95
RouteState Highway 105
StateFlorida
Coordinates30.40694, -81.65778
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating53.6 US tons
Inventory rating36.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length236 ft (71.9 m)
Longest span73 ft (22.3 m)
Deck width34 ft (10.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,300 (2023)
Projected traffic10,931 by 2045
Trucks16%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$42,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR-105 SB over I-95 (SR-9) built?

It was built in 1959, making it 66 years old in 2025.

What condition is SR-105 SB over I-95 (SR-9) 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 May 2024.

How much traffic does SR-105 SB over I-95 (SR-9) carry?

About 6,300 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is SR-105 SB over I-95 (SR-9)?

The structure is 236 ft (71.9 m) long with a longest span of 73 ft (22.3 m) and a deck 34 ft wide.

Who owns SR-105 SB over I-95 (SR-9)?

It is owned by the State Highway Agency.