US Bridges

70th St.S. over Delaney Creek

Good

Hillsborough County, Florida · 260FT S/O Causeway Blvd · Structure no. 104499

Built
2023
2 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
1,020
2023 count
Owner
County
County Highway Agency

About this bridge

70th St.S. over Delaney Creek is a concrete culvert carrying 70th St.S. over Delaney Creek in Hillsborough County, Florida. It was built in 2023, so it is 2 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 1,020 vehicles a day, roughly 2% of them trucks, projected to reach 1,275 by 2042. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 0.6 mi (1 km).

Carries70th St.S.
CrossesDelaney Creek
Location260FT S/O Causeway Blvd
RouteCity Street 0
StateFlorida
Coordinates27.92183, -82.37697
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.9 US tons
Inventory rating61.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length27 ft (8.2 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,020 (2023)
Projected traffic1,275 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 70th St.S. over Delaney Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is 70th St.S. over Delaney Creek 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 70th St.S. over Delaney Creek carry?

About 1,020 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is 70th St.S. over Delaney Creek?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m).

Who owns 70th St.S. over Delaney Creek?

It is owned by the County Highway Agency.