US Bridges

CR-846 over Deerfence Canal

Good

Hendry County, Florida · 9.0MI E of Collier CR-858 · Structure no. 070061

Built
1988
37 years old
Condition
Good
inspected June 2023
Type
Slab
Prestressed Concrete
Length
75 ft
3 main spans
Daily traffic
600
2023 count
Owner
County
County Highway Agency

About this bridge

CR-846 over Deerfence Canal is a prestressed concrete slab carrying CR-846 over Deerfence Canal in Hendry County, Florida. It was built in 1988, so it is 37 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 600 vehicles a day, roughly 10% of them trucks, projected to reach 750 by 2042. The structure is 75 ft (22.9 m) long and 35 ft wide. If it were closed, the detour would be 54.1 mi (87 km).

CarriesCR-846
CrossesDeerfence Canal
Location9.0MI E of Collier CR-858
RouteCounty Highway 846
StateFlorida
Coordinates26.42919, -81.12819
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating88.8 US tons
Inventory rating53.4 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length75 ft (22.9 m)
Longest span25 ft (7.6 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2023)
Projected traffic750 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed54.1 mi (87 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-846 over Deerfence Canal built?

It was built in 1988, making it 37 years old in 2025.

What condition is CR-846 over Deerfence Canal 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 June 2023.

How much traffic does CR-846 over Deerfence Canal carry?

About 600 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is CR-846 over Deerfence Canal?

The structure is 75 ft (22.9 m) long with a longest span of 25 ft (7.6 m) and a deck 35 ft wide.

Who owns CR-846 over Deerfence Canal?

It is owned by the County Highway Agency.