US Bridges

Grange Hall Road over Little Manatee River

FairPosted for load

Hillsborough County, Florida · 1.2MI South of SR-674 · Structure no. 104332

Built
1966
59 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete
Length
135 ft
9 main spans
Daily traffic
990
2024 count
Owner
County
County Highway Agency

About this bridge

Grange Hall Road over Little Manatee River is a concrete slab carrying Grange Hall Road over Little Manatee River in Hillsborough County, Florida. It was built in 1966, so it is 59 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. Its operating status is: posted for load restriction.

It carries about 990 vehicles a day, roughly 5% of them trucks, projected to reach 1,237 by 2044. The structure is 135 ft (41.3 m) long and 25 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesGrange Hall Road
CrossesLittle Manatee River
Location1.2MI South of SR-674
RouteCounty Highway 0
StateFlorida
Coordinates27.68918, -82.24488
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating34.8 US tons
Inventory rating20.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans9
Design loadH 10
Structure length135 ft (41.3 m)
Longest span15 ft (4.6 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic990 (2024)
Projected traffic1,237 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Grange Hall Road over Little Manatee River built?

It was built in 1966, making it 59 years old in 2025.

What condition is Grange Hall Road over Little Manatee River 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 May 2023.

How much traffic does Grange Hall Road over Little Manatee River carry?

About 990 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Grange Hall Road over Little Manatee River?

The structure is 135 ft (41.3 m) long with a longest span of 15 ft (4.6 m) and a deck 25 ft wide.

Who owns Grange Hall Road over Little Manatee River?

It is owned by the County Highway Agency.