US Bridges

Colding Loop RD over Carlton Branch

Fair

Hillsborough County, Florida · 0.8MI S of Sweat Loop RD · Structure no. 104315

Built
1965
60 years old
Condition
Fair
inspected April 2024
Type
Channel Beam
Prestressed Concrete
Length
52 ft
2 main spans
Daily traffic
100
2024 count
Owner
County
County Highway Agency

About this bridge

Colding Loop RD over Carlton Branch is a prestressed concrete channel beam carrying Colding Loop RD over Carlton Branch in Hillsborough County, Florida. It was built in 1965, so it is 60 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 125 by 2044. The structure is 52 ft (16 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesColding Loop RD
CrossesCarlton Branch
Location0.8MI S of Sweat Loop RD
RouteCounty Highway 0
StateFlorida
Coordinates27.73298, -82.25295
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.1 US tons
Inventory rating30.8 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length52 ft (16 m)
Longest span26 ft (8 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic125 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 Colding Loop RD over Carlton Branch built?

It was built in 1965, making it 60 years old in 2025.

What condition is Colding Loop RD over Carlton Branch 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 2024.

How much traffic does Colding Loop RD over Carlton Branch carry?

About 100 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Colding Loop RD over Carlton Branch?

The structure is 52 ft (16 m) long with a longest span of 26 ft (8 m) and a deck 30 ft wide.

Who owns Colding Loop RD over Carlton Branch?

It is owned by the County Highway Agency.