US Bridges

CR280 over I10 SR8

Good

Walton County, Florida · 2.7MI W. of SR83 US331 · Structure no. 600004

Built
1972
53 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
408 ft
2 main spans
Daily traffic
4,700
2022 count
Owner
State
State Highway Agency

About this bridge

CR280 over I10 SR8 is a steel continuous stringer/multi-beam or girder carrying CR280 over I10 SR8 in Walton County, Florida. It was built in 1972, so it is 53 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 4,700 vehicles a day, roughly 16% of them trucks, projected to reach 8,154 by 2044. The structure is 408 ft (124.4 m) long and 46 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCR280
CrossesI10 SR8
Location2.7MI W. of SR83 US331
RouteCounty Highway 280
StateFlorida
Coordinates30.70653, -86.16322
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 evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.3 US tons
Inventory rating27.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20 + Mod
Structure length408 ft (124.4 m)
Longest span136 ft (41.5 m)
Deck width46 ft (14.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,700 (2022)
Projected traffic8,154 by 2044
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 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 CR280 over I10 SR8 built?

It was built in 1972, making it 53 years old in 2025.

What condition is CR280 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 CR280 over I10 SR8 carry?

About 4,700 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is CR280 over I10 SR8?

The structure is 408 ft (124.4 m) long with a longest span of 136 ft (41.5 m) and a deck 46 ft wide.

Who owns CR280 over I10 SR8?

It is owned by the State Highway Agency.