US Bridges

County Line Road over Cypress Creek

Good

Hillsborough County, Florida · 1.2 MI W of CR-581 · Structure no. 104131

Built
1985
40 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
160 ft
3 main spans
Daily traffic
19,000
2023 count
Owner
County
County Highway Agency

About this bridge

County Line Road over Cypress Creek is a prestressed concrete stringer/multi-beam or girder carrying County Line Road over Cypress Creek in Hillsborough County, Florida. It was built in 1985, so it is 40 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 19,000 vehicles a day, roughly 5% of them trucks, projected to reach 32,965 by 2042. The structure is 160 ft (48.8 m) long and 43 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

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CarriesCounty Line Road
CrossesCypress Creek
Location1.2 MI W of CR-581
RouteCounty Highway 0
CountyHillsborough County
StateFlorida
Coordinates28.17124, -82.38859
Functional classUrban 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 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.7 US tons
Inventory rating50.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length160 ft (48.8 m)
Longest span53 ft (16.3 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,000 (2023)
Projected traffic32,965 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 County Line Road over Cypress Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is County Line Road over Cypress 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 County Line Road over Cypress Creek carry?

About 19,000 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is County Line Road over Cypress Creek?

The structure is 160 ft (48.8 m) long with a longest span of 53 ft (16.3 m) and a deck 43 ft wide.

Who owns County Line Road over Cypress Creek?

It is owned by the County Highway Agency.