US Bridges

SR8 I10 over Timberlane School Road

Fair

Leon County, Florida · 0.5 Mile W. of SR61 · Structure no. 550093

Built
1974
51 years old, rebuilt 2008
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
140 ft
3 main spans
Daily traffic
34,833
2022 count
Owner
State
State Highway Agency

About this bridge

SR8 I10 over Timberlane School Road is a prestressed concrete stringer/multi-beam or girder carrying SR8 I10 over Timberlane School Road in Leon County, Florida. It was built in 1974 and reconstructed in 2008, so it is 51 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 34,833 vehicles a day, roughly 13% of them trucks, projected to reach 60,435 by 2044. The structure is 140 ft (42.7 m) long and 71 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesSR8 I10
CrossesTimberlane School Road
Location0.5 Mile W. of SR61
RouteInterstate 10
CountyLeon County
StateFlorida
Coordinates30.5001, -84.26137
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.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.4 US tons
Inventory rating33.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length140 ft (42.7 m)
Longest span60 ft (18.2 m)
Deck width71 ft (21.7 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,833 (2022)
Projected traffic60,435 by 2044
Trucks13%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 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 SR8 I10 over Timberlane School Road built?

It was built in 1974, making it 51 years old in 2025. It was reconstructed in 2008.

What condition is SR8 I10 over Timberlane School Road 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 2023.

How much traffic does SR8 I10 over Timberlane School Road carry?

About 34,833 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is SR8 I10 over Timberlane School Road?

The structure is 140 ft (42.7 m) long with a longest span of 60 ft (18.2 m) and a deck 71 ft wide.

Who owns SR8 I10 over Timberlane School Road?

It is owned by the State Highway Agency.