US Bridges

Oil Well RD CR-858 over Okaloacoochee Slough

Good

Collier County, Florida · 3.6 Mie/O SR-29 · Structure no. 034840

Built
2024
1 years old
Condition
Good
inspected January 2024
Type
Slab
Prestressed Concrete
Length
60 ft
2 main spans
Daily traffic
800
2024 count
Owner
County
County Highway Agency

About this bridge

Oil Well RD CR-858 over Okaloacoochee Slough is a prestressed concrete slab carrying Oil Well RD CR-858 over Okaloacoochee Slough in Collier County, Florida. It was built in 2024, so it is 1 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 800 vehicles a day, roughly 10% of them trucks, projected to reach 1,388 by 2044. The structure is 60 ft (18.3 m) long and 43 ft wide. If it were closed, the detour would be 25.5 mi (41 km).

Location

Open in Google Maps
CarriesOil Well RD CR-858
CrossesOkaloacoochee Slough
Location3.6 Mie/O SR-29
RouteCounty Highway 858
CountyCollier County
StateFlorida
Coordinates26.30831, -81.28601
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating79.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length60 ft (18.3 m)
Longest span30 ft (9.2 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic800 (2024)
Projected traffic1,388 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed25.5 mi (41 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 Oil Well RD CR-858 over Okaloacoochee Slough built?

It was built in 2024, making it 1 years old in 2025.

What condition is Oil Well RD CR-858 over Okaloacoochee 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 January 2024.

How much traffic does Oil Well RD CR-858 over Okaloacoochee Slough carry?

About 800 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Oil Well RD CR-858 over Okaloacoochee Slough?

The structure is 60 ft (18.3 m) long with a longest span of 30 ft (9.2 m) and a deck 43 ft wide.

Who owns Oil Well RD CR-858 over Okaloacoochee Slough?

It is owned by the County Highway Agency.