US Bridges

Forest Rd. 236 over I-10 (SR-8)

Good

Columbia County, Florida · Forest Rd. 236 / I-10 · Structure no. 290073

Built
1962
63 years old, rebuilt 2014
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
217 ft
4 main spans
Daily traffic
151
2022 count
Owner
State
State Highway Agency

About this bridge

Forest Rd. 236 over I-10 (SR-8) is a prestressed concrete stringer/multi-beam or girder carrying Forest Rd. 236 over I-10 (SR-8) in Columbia County, Florida. It was built in 1962 and reconstructed in 2014, so it is 63 years old, older than the Florida average of 41.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 151 vehicles a day, roughly 1% of them trucks, projected to reach 261 by 2042. The structure is 217 ft (66.1 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesForest Rd. 236
CrossesI-10 (SR-8)
LocationForest Rd. 236 / I-10
RouteFederal Lands Road 236
CountyColumbia County
StateFlorida
Coordinates30.24361, -82.57056
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.8 US tons
Inventory rating37.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length217 ft (66.1 m)
Longest span70 ft (21.3 m)
Deck width29 ft (8.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic151 (2022)
Projected traffic261 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

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 Forest Rd. 236 over I-10 (SR-8) built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2014.

What condition is Forest Rd. 236 over I-10 (SR-8) in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2023.

How much traffic does Forest Rd. 236 over I-10 (SR-8) carry?

About 151 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Forest Rd. 236 over I-10 (SR-8)?

The structure is 217 ft (66.1 m) long with a longest span of 70 ft (21.3 m) and a deck 29 ft wide.

Who owns Forest Rd. 236 over I-10 (SR-8)?

It is owned by the State Highway Agency.