US Bridges

Polktown Road over Malloy Branch

Fair

Santa Rosa County, Florida · 0.18 MI W of Country Mill · Structure no. 584189

Built
2003
22 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
61 ft
6 main spans
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

Polktown Road over Malloy Branch is a wood or timber stringer/multi-beam or girder carrying Polktown Road over Malloy Branch in Santa Rosa County, Florida. It was built in 2003, so it is 22 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 5 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 50 vehicles a day, projected to reach 87 by 2042. The structure is 61 ft (18.6 m) long and 24 ft wide. If it were closed, the detour would be 4.3 mi (7 km).

Location

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CarriesPolktown Road
CrossesMalloy Branch
Location0.18 MI W of Country Mill
RouteCounty Highway 0
CountySanta Rosa County
StateFlorida
Coordinates30.90454, -87.10758
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38 US tons
Inventory rating28 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans6
Design loadHS 20
Structure length61 ft (18.6 m)
Longest span11 ft (3.3 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic87 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed4.3 mi (7 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 Polktown Road over Malloy Branch built?

It was built in 2003, making it 22 years old in 2025.

What condition is Polktown Road over Malloy 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 2023.

How much traffic does Polktown Road over Malloy Branch carry?

About 50 vehicles per day (2023 count).

How long is Polktown Road over Malloy Branch?

The structure is 61 ft (18.6 m) long with a longest span of 11 ft (3.3 m) and a deck 24 ft wide.

Who owns Polktown Road over Malloy Branch?

It is owned by the County Highway Agency.