US Bridges

CR-476 over Gum Slough

Good

Sumter County, Florida · 2.2 MI E of Hernando Co. · Structure no. 184065

Built
1978
47 years old
Condition
Good
inspected September 2023
Type
Slab
Prestressed Concrete
Length
125 ft
5 main spans
Daily traffic
4,200
2023 count
Owner
County
County Highway Agency

About this bridge

CR-476 over Gum Slough is a prestressed concrete slab carrying CR-476 over Gum Slough in Sumter County, Florida. It was built in 1978, so it is 47 years old, older 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 4,200 vehicles a day, roughly 21% of them trucks, projected to reach 7,287 by 2042. The structure is 125 ft (38.1 m) long and 47 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesCR-476
CrossesGum Slough
Location2.2 MI E of Hernando Co.
RouteCounty Highway 476
CountySumter County
StateFlorida
Coordinates28.64002, -82.22216
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.8 US tons
Inventory rating39.4 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length125 ft (38.1 m)
Longest span27 ft (8.1 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,200 (2023)
Projected traffic7,287 by 2042
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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-476 over Gum Slough built?

It was built in 1978, making it 47 years old in 2025.

What condition is CR-476 over Gum Slough 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 2023.

How much traffic does CR-476 over Gum Slough carry?

About 4,200 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is CR-476 over Gum Slough?

The structure is 125 ft (38.1 m) long with a longest span of 27 ft (8.1 m) and a deck 47 ft wide.

Who owns CR-476 over Gum Slough?

It is owned by the County Highway Agency.