US Bridges

Gunn Highway over Sweetwater Creek

Fair

Hillsborough County, Florida · 0.2MI N of Linebaugh Ave. · Structure no. 100249

Built
1970
55 years old, rebuilt 1988
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
44 ft
3 main spans
Daily traffic
25,500
2023 count
Owner
County
County Highway Agency

About this bridge

Gunn Highway over Sweetwater Creek is a concrete culvert carrying Gunn Highway over Sweetwater Creek in Hillsborough County, Florida. It was built in 1970 and reconstructed in 1988, so it is 55 years old, older than the Florida average of 41.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 25,500 vehicles a day, roughly 10% of them trucks, projected to reach 44,243 by 2042. The structure is 44 ft (13.5 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesGunn Highway
CrossesSweetwater Creek
Location0.2MI N of Linebaugh Ave.
RouteCounty Highway 587
StateFlorida
Coordinates28.04293, -82.51231
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.5 US tons
Inventory rating57.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length44 ft (13.5 m)
Longest span16 ft (4.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,500 (2023)
Projected traffic44,243 by 2042
Trucks10%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Gunn Highway over Sweetwater Creek built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 1988.

What condition is Gunn Highway over Sweetwater Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2023.

How much traffic does Gunn Highway over Sweetwater Creek carry?

About 25,500 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Gunn Highway over Sweetwater Creek?

The structure is 44 ft (13.5 m) long with a longest span of 16 ft (4.8 m).

Who owns Gunn Highway over Sweetwater Creek?

It is owned by the County Highway Agency.