US Bridges

I10 SR8 over C146 Miccosukee Rd.

Fair

Leon County, Florida · 1.0 Mile W. of US90 · Structure no. 550097

Built
1973
52 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
172 ft
3 main spans
Daily traffic
15,500
2022 count
Owner
State
State Highway Agency

About this bridge

I10 SR8 over C146 Miccosukee Rd. is a prestressed concrete stringer/multi-beam or girder carrying I10 SR8 over C146 Miccosukee Rd. in Leon County, Florida. It was built in 1973, so it is 52 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.

It carries about 15,500 vehicles a day, roughly 25% of them trucks, projected to reach 26,892 by 2044. The structure is 172 ft (52.3 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesI10 SR8
CrossesC146 Miccosukee Rd.
Location1.0 Mile W. of US90
RouteInterstate 10
CountyLeon County
StateFlorida
Coordinates30.49573, -84.17462
Functional classUrban Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating58.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length172 ft (52.3 m)
Longest span95 ft (29 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,500 (2022)
Projected traffic26,892 by 2044
Trucks25%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I10 SR8 over C146 Miccosukee Rd. built?

It was built in 1973, making it 52 years old in 2025.

What condition is I10 SR8 over C146 Miccosukee Rd. 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 October 2023.

How much traffic does I10 SR8 over C146 Miccosukee Rd. carry?

About 15,500 vehicles per day (2022 count), of which roughly 25% are trucks.

How long is I10 SR8 over C146 Miccosukee Rd.?

The structure is 172 ft (52.3 m) long with a longest span of 95 ft (29 m) and a deck 43 ft wide.

Who owns I10 SR8 over C146 Miccosukee Rd.?

It is owned by the State Highway Agency.