US Bridges

SR-70 over Slough Ditch (C-41A)

Good

Highlands County, Florida · 15.0 MI East of US-27 · Structure no. 090053

Built
2000
25 years old
Condition
Good
inspected April 2023
Type
Slab
Concrete Continuous
Length
212 ft
7 main spans
Daily traffic
5,300
2023 count
Owner
State
State Highway Agency

About this bridge

SR-70 over Slough Ditch (C-41A) is a concrete continuous slab carrying SR-70 over Slough Ditch (C-41A) in Highlands County, Florida. It was built in 2000, so it is 25 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 5,300 vehicles a day, roughly 26% of them trucks, projected to reach 9,196 by 2042. The structure is 212 ft (64.6 m) long and 45 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

Location

Open in Google Maps
CarriesSR-70
CrossesSlough Ditch (C-41A)
Location15.0 MI East of US-27
RouteState Highway 70
CountyHighlands County
StateFlorida
Coordinates27.23343, -81.08266
Functional classRural Principal Arterial - Other

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 protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: 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 rating88 US tons
Inventory rating52.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 25 or greater
Structure length212 ft (64.6 m)
Longest span31 ft (9.3 m)
Deck width45 ft (13.6 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,300 (2023)
Projected traffic9,196 by 2042
Trucks26%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.1 mi (42 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR-70 over Slough Ditch (C-41A) built?

It was built in 2000, making it 25 years old in 2025.

What condition is SR-70 over Slough Ditch (C-41A) 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 April 2023.

How much traffic does SR-70 over Slough Ditch (C-41A) carry?

About 5,300 vehicles per day (2023 count), of which roughly 26% are trucks.

How long is SR-70 over Slough Ditch (C-41A)?

The structure is 212 ft (64.6 m) long with a longest span of 31 ft (9.3 m) and a deck 45 ft wide.

Who owns SR-70 over Slough Ditch (C-41A)?

It is owned by the State Highway Agency.