US Bridges

Adams Road over I-10 (SR-8)

Good

Columbia County, Florida · 2.5 MI W. of I-75 · Structure no. 290078

Built
1967
58 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
280 ft
4 main spans
Daily traffic
51
2023 count
Owner
State
State Highway Agency

About this bridge

Adams Road over I-10 (SR-8) is a prestressed concrete stringer/multi-beam or girder carrying Adams Road over I-10 (SR-8) in Columbia County, Florida. It was built in 1967, so it is 58 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 51 vehicles a day, projected to reach 88 by 2042. The structure is 280 ft (85.3 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesAdams Road
CrossesI-10 (SR-8)
Location2.5 MI W. of I-75
RouteCounty Highway 0
CountyColumbia County
StateFlorida
Coordinates30.27421, -82.79466
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.
Substructure8 Very GoodNo problems noted.
Last inspectionDecember 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 alignment6: Equal to present minimum criteria
Operating rating49.2 US tons
Inventory rating39.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length280 ft (85.3 m)
Longest span71 ft (21.6 m)
Deck width29 ft (8.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic51 (2023)
Projected traffic88 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 Adams Road over I-10 (SR-8) built?

It was built in 1967, making it 58 years old in 2025.

What condition is Adams Road 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 Adams Road over I-10 (SR-8) carry?

About 51 vehicles per day (2023 count).

How long is Adams Road over I-10 (SR-8)?

The structure is 280 ft (85.3 m) long with a longest span of 71 ft (21.6 m) and a deck 29 ft wide.

Who owns Adams Road over I-10 (SR-8)?

It is owned by the State Highway Agency.