US Bridges

Medulla RD over Hamilton Creek

Fair

Polk County, Florida · 0.1MI E of County Line RD · Structure no. 164450

Built
1989
36 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete Continuous
Length
100 ft
3 main spans
Daily traffic
1,150
2023 count
Owner
County
County Highway Agency

About this bridge

Medulla RD over Hamilton Creek is a concrete continuous slab carrying Medulla RD over Hamilton Creek in Polk County, Florida. It was built in 1989, so it is 36 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 1,150 vehicles a day, roughly 10% of them trucks, projected to reach 1,995 by 2042. The structure is 100 ft (30.5 m) long and 44 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesMedulla RD
CrossesHamilton Creek
Location0.1MI E of County Line RD
RouteCounty Highway 0
StateFlorida
Coordinates27.98205, -82.05362
Functional classRural Major Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating35.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span40 ft (12.1 m)
Deck width44 ft (13.3 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,150 (2023)
Projected traffic1,995 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 Medulla RD over Hamilton Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is Medulla RD over Hamilton 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 September 2023.

How much traffic does Medulla RD over Hamilton Creek carry?

About 1,150 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Medulla RD over Hamilton Creek?

The structure is 100 ft (30.5 m) long with a longest span of 40 ft (12.1 m) and a deck 44 ft wide.

Who owns Medulla RD over Hamilton Creek?

It is owned by the County Highway Agency.