US Bridges

Webb Road over Channel G

Fair

Hillsborough County, Florida · 1MI North of SR-580 · Structure no. 104602

Built
2004
21 years old
Condition
Fair
inspected October 2023
Type
Slab
Concrete Continuous
Length
103 ft
3 main spans
Daily traffic
8,460
2023 count
Owner
County
County Highway Agency

About this bridge

Webb Road over Channel G is a concrete continuous slab carrying Webb Road over Channel G in Hillsborough County, Florida. It was built in 2004, so it is 21 years old, younger 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 8,460 vehicles a day, roughly 5% of them trucks, projected to reach 10,575 by 2041. The structure is 103 ft (31.4 m) long and 53 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesWebb Road
CrossesChannel G
Location1MI North of SR-580
RouteCity Street 0
CountyHillsborough County
StateFlorida
Coordinates28.01137, -82.57518
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating34.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length103 ft (31.4 m)
Longest span39 ft (11.9 m)
Deck width53 ft (16.1 m)
Roadway width36 ft (11 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic8,460 (2023)
Projected traffic10,575 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 Webb Road over Channel G built?

It was built in 2004, making it 21 years old in 2025.

What condition is Webb Road over Channel G 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 October 2023.

How much traffic does Webb Road over Channel G carry?

About 8,460 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Webb Road over Channel G?

The structure is 103 ft (31.4 m) long with a longest span of 39 ft (11.9 m) and a deck 53 ft wide.

Who owns Webb Road over Channel G?

It is owned by the County Highway Agency.