US Bridges

SR-105 over Main St. & Csxrr

Good

Duval County, Florida · SR-105 / US-17 & Csxrr · Structure no. 720037

Built
1959
66 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
261 ft
3 main spans
Daily traffic
16,600
2022 count
Owner
State
State Highway Agency

About this bridge

SR-105 over Main St. & Csxrr is a prestressed concrete stringer/multi-beam or girder carrying SR-105 over Main St. & Csxrr 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 16,600 vehicles a day, roughly 15% of them trucks, projected to reach 28,801 by 2044. The structure is 261 ft (79.6 m) long and 62 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesSR-105
CrossesMain St. & Csxrr
LocationSR-105 / US-17 & Csxrr
RouteState Highway 105
CountyDuval County
StateFlorida
Coordinates30.4077, -81.65014
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56.3 US tons
Inventory rating30.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length261 ft (79.6 m)
Longest span87 ft (26.5 m)
Deck width62 ft (18.8 m)
Roadway width56 ft (17 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,600 (2022)
Projected traffic28,801 by 2044
Trucks15%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed3.1 mi (5 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$208,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR-105 over Main St. & Csxrr built?

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

What condition is SR-105 over Main St. & Csxrr in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does SR-105 over Main St. & Csxrr carry?

About 16,600 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is SR-105 over Main St. & Csxrr?

The structure is 261 ft (79.6 m) long with a longest span of 87 ft (26.5 m) and a deck 62 ft wide.

Who owns SR-105 over Main St. & Csxrr?

It is owned by the State Highway Agency.