US Bridges

CR280A over I10 SR8

Good

Walton County, Florida · 1.6MI. E. of US331 SR83 · Structure no. 600006

Built
1974
51 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
260 ft
4 main spans
Daily traffic
650
2022 count
Owner
State
State Highway Agency

About this bridge

CR280A over I10 SR8 is a prestressed concrete stringer/multi-beam or girder carrying CR280A over I10 SR8 in Walton County, Florida. It was built in 1974, 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 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 650 vehicles a day, roughly 10% of them trucks, projected to reach 1,128 by 2044. The structure is 260 ft (79.1 m) long and 46 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR280A
CrossesI10 SR8
Location1.6MI. E. of US331 SR83
RouteCounty Highway 280A
StateFlorida
Coordinates30.69108, -86.09535
Functional classRural Minor Collector

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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.6 US tons
Inventory rating39.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length260 ft (79.1 m)
Longest span88 ft (26.7 m)
Deck width46 ft (14.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic650 (2022)
Projected traffic1,128 by 2044
Trucks10%
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 CR280A over I10 SR8 built?

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

What condition is CR280A over I10 SR8 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 September 2023.

How much traffic does CR280A over I10 SR8 carry?

About 650 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is CR280A over I10 SR8?

The structure is 260 ft (79.1 m) long with a longest span of 88 ft (26.7 m) and a deck 46 ft wide.

Who owns CR280A over I10 SR8?

It is owned by the State Highway Agency.