US Bridges

CR 125 over St. Marys River S Prong

Good

Baker County, Florida · 0.5 Mile S of I-10 · Structure no. 274156

Built
2012
13 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
420 ft
4 main spans
Daily traffic
550
2024 count
Owner
County
County Highway Agency

About this bridge

CR 125 over St. Marys River S Prong is a prestressed concrete stringer/multi-beam or girder carrying CR 125 over St. Marys River S Prong in Baker County, Florida. It was built in 2012, so it is 13 years old, younger 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 550 vehicles a day, roughly 21% of them trucks, projected to reach 955 by 2046. The structure is 420 ft (128 m) long and 47 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCR 125
CrossesSt. Marys River S Prong
Location0.5 Mile S of I-10
RouteCounty Highway 125
StateFlorida
Coordinates30.25319, -82.1625
Functional classRural Major Collector

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.3 US tons
Inventory rating42.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length420 ft (128 m)
Longest span105 ft (32 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2024)
Projected traffic955 by 2046
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 CR 125 over St. Marys River S Prong built?

It was built in 2012, making it 13 years old in 2025.

What condition is CR 125 over St. Marys River S Prong 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 September 2024.

How much traffic does CR 125 over St. Marys River S Prong carry?

About 550 vehicles per day (2024 count), of which roughly 21% are trucks.

How long is CR 125 over St. Marys River S Prong?

The structure is 420 ft (128 m) long with a longest span of 105 ft (32 m) and a deck 47 ft wide.

Who owns CR 125 over St. Marys River S Prong?

It is owned by the County Highway Agency.