US Bridges

Miccosukee Road over Unnamed Branch

FairPosted for load

Leon County, Florida · 0.6 MI S Miles Johnson RD · Structure no. 550051

Built
1950
75 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
75 ft
3 main spans
Daily traffic
2,100
2023 count
Owner
County
County Highway Agency

About this bridge

Miccosukee Road over Unnamed Branch is a steel continuous stringer/multi-beam or girder carrying Miccosukee Road over Unnamed Branch in Leon County, Florida. It was built in 1950, so it is 75 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 5 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 2,100 vehicles a day, roughly 4% of them trucks, projected to reach 2,310 by 2043. The structure is 75 ft (23 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesMiccosukee Road
CrossesUnnamed Branch
Location0.6 MI S Miles Johnson RD
RouteCounty Highway 146
CountyLeon County
StateFlorida
Coordinates30.49717, -84.17183
Functional classUrban Minor Arterial

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating14.8 US tons
Inventory rating11.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length75 ft (23 m)
Longest span25 ft (7.7 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,100 (2023)
Projected traffic2,310 by 2043
Trucks4%
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 Miccosukee Road over Unnamed Branch built?

It was built in 1950, making it 75 years old in 2025.

What condition is Miccosukee Road over Unnamed 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 November 2024.

How much traffic does Miccosukee Road over Unnamed Branch carry?

About 2,100 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Miccosukee Road over Unnamed Branch?

The structure is 75 ft (23 m) long with a longest span of 25 ft (7.7 m) and a deck 26 ft wide.

Who owns Miccosukee Road over Unnamed Branch?

It is owned by the County Highway Agency.