US Bridges

CR 85A over Big Creek

Good

Okaloosa County, Florida · 3.1 MI NW of HWY 85 · Structure no. 574136

Built
1999
26 years old
Condition
Good
inspected October 2024
Type
Channel Beam
Concrete
Length
136 ft
4 main spans
Daily traffic
750
2024 count
Owner
County
County Highway Agency

About this bridge

CR 85A over Big Creek is a concrete channel beam carrying CR 85A over Big Creek in Okaloosa County, Florida. It was built in 1999, so it is 26 years old, younger 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 750 vehicles a day, roughly 14% of them trucks, projected to reach 1,301 by 2044. The structure is 136 ft (41.5 m) long and 28 ft wide.

CarriesCR 85A
CrossesBig Creek
Location3.1 MI NW of HWY 85
RouteCounty Highway 85A
StateFlorida
Coordinates30.97854, -86.50246
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87 US tons
Inventory rating52 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length136 ft (41.5 m)
Longest span34 ft (10.4 m)
Deck width28 ft (8.4 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2024)
Projected traffic1,301 by 2044
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 85A over Big Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is CR 85A over Big Creek 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 October 2024.

How much traffic does CR 85A over Big Creek carry?

About 750 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is CR 85A over Big Creek?

The structure is 136 ft (41.5 m) long with a longest span of 34 ft (10.4 m) and a deck 28 ft wide.

Who owns CR 85A over Big Creek?

It is owned by the County Highway Agency.