US Bridges

CR 13 over Mccullough Branch

Fair

St. Johns County, Florida · 0.5 MI NW of CR 305 · Structure no. 784039

Built
1979
46 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
42 ft
4 main spans
Daily traffic
2,000
2024 count
Owner
County
County Highway Agency

About this bridge

CR 13 over Mccullough Branch is a concrete culvert carrying CR 13 over Mccullough Branch in St. Johns County, Florida. It was built in 1979, so it is 46 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 2,000 vehicles a day, roughly 2% of them trucks, projected to reach 3,470 by 2046. The structure is 42 ft (12.8 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCR 13
CrossesMccullough Branch
Location0.5 MI NW of CR 305
RouteCounty Highway 13
CountySt. Johns County
StateFlorida
Coordinates29.7945, -81.50633
Functional classRural Major Collector

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.7 US tons
Inventory rating25 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadUnknown
Structure length42 ft (12.8 m)
Longest span11 ft (3.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2024)
Projected traffic3,470 by 2046
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$3,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 13 over Mccullough Branch built?

It was built in 1979, making it 46 years old in 2025.

What condition is CR 13 over Mccullough Branch 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 October 2024.

How much traffic does CR 13 over Mccullough Branch carry?

About 2,000 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is CR 13 over Mccullough Branch?

The structure is 42 ft (12.8 m) long with a longest span of 11 ft (3.3 m).

Who owns CR 13 over Mccullough Branch?

It is owned by the County Highway Agency.