US Bridges

CR 392 over Straw Bay Branch

Fair

Calhoun County, Florida · 2.8 Miles West of SR 73 · Structure no. 470006

Built
1954
71 years old
Condition
Fair
inspected January 2025
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
300
2023 count
Owner
County
County Highway Agency

About this bridge

CR 392 over Straw Bay Branch is a concrete culvert carrying CR 392 over Straw Bay Branch in Calhoun County, Florida. It was built in 1954, so it is 71 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 300 vehicles a day, projected to reach 520 by 2043. The structure is 31 ft (9.5 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCR 392
CrossesStraw Bay Branch
Location2.8 Miles West of SR 73
RouteCounty Highway 392
CountyCalhoun County
StateFlorida
Coordinates30.31046, -85.27639
Functional classRural Local

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 inspectionJanuary 2025
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 rating29.2 US tons
Inventory rating18.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length31 ft (9.5 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 traffic300 (2023)
Projected traffic520 by 2043
Trucks0%
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 392 over Straw Bay Branch built?

It was built in 1954, making it 71 years old in 2025.

What condition is CR 392 over Straw Bay 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 January 2025.

How much traffic does CR 392 over Straw Bay Branch carry?

About 300 vehicles per day (2023 count).

How long is CR 392 over Straw Bay Branch?

The structure is 31 ft (9.5 m) long with a longest span of 11 ft (3.3 m).

Who owns CR 392 over Straw Bay Branch?

It is owned by the County Highway Agency.