US Bridges

Branch Forbes RD over Spartman Branch

Good

Hillsborough County, Florida · 0.2MI South of I-4 · Structure no. 100111

Built
1959
66 years old, rebuilt 1999
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
29 ft
3 main spans
Daily traffic
6,400
2024 count
Owner
State
State Highway Agency

About this bridge

Branch Forbes RD over Spartman Branch is a concrete culvert carrying Branch Forbes RD over Spartman Branch in Hillsborough County, Florida. It was built in 1959 and reconstructed in 1999, so it is 66 years old, older 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 6,400 vehicles a day, roughly 13% of them trucks, projected to reach 11,104 by 2044. The structure is 29 ft (8.7 m) long. If it were closed, the detour would be 8.1 mi (13 km).

CarriesBranch Forbes RD
CrossesSpartman Branch
Location0.2MI South of I-4
StateFlorida
Coordinates28.02583, -82.18702
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
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 rating50 US tons
Inventory rating30 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length29 ft (8.7 m)
Longest span10 ft (2.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,400 (2024)
Projected traffic11,104 by 2044
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Branch Forbes RD over Spartman Branch built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1999.

What condition is Branch Forbes RD over Spartman Branch 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 October 2024.

How much traffic does Branch Forbes RD over Spartman Branch carry?

About 6,400 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is Branch Forbes RD over Spartman Branch?

The structure is 29 ft (8.7 m) long with a longest span of 10 ft (2.9 m).

Who owns Branch Forbes RD over Spartman Branch?

It is owned by the State Highway Agency.