US Bridges

SR-228 over Prong of St.Marys River

Fair

Baker County, Florida · 1 Mi. N. of I-10 · Structure no. 270015

Built
1955
70 years old, rebuilt 2003
Condition
Fair
inspected December 2023
Type
Culvert
Concrete
Length
28 ft
3 main spans
Daily traffic
12,800
2022 count
Owner
State
State Highway Agency

About this bridge

SR-228 over Prong of St.Marys River is a concrete culvert carrying SR-228 over Prong of St.Marys River in Baker County, Florida. It was built in 1955 and reconstructed in 2003, so it is 70 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 5 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 12,800 vehicles a day, roughly 3% of them trucks, projected to reach 22,208 by 2044. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSR-228
CrossesProng of St.Marys River
Location1 Mi. N. of I-10
RouteState Highway 228
CountyBaker County
StateFlorida
Coordinates30.27114, -82.11747
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
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.8 US tons
Inventory rating28.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length28 ft (8.5 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,800 (2022)
Projected traffic22,208 by 2044
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR-228 over Prong of St.Marys River built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 2003.

What condition is SR-228 over Prong of St.Marys River 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 December 2023.

How much traffic does SR-228 over Prong of St.Marys River carry?

About 12,800 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is SR-228 over Prong of St.Marys River?

The structure is 28 ft (8.5 m) long with a longest span of 9 ft (2.7 m).

Who owns SR-228 over Prong of St.Marys River?

It is owned by the State Highway Agency.