US Bridges

SR85 Eglin Parkway over Cinco Bayou

Fair

Okaloosa County, Florida · 1.8 Miles N. of US98 · Structure no. 570017

Built
1958
67 years old, rebuilt 1988
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,056 ft
16 main spans
Daily traffic
52,000
2022 count
Owner
State
State Highway Agency

About this bridge

SR85 Eglin Parkway over Cinco Bayou is a prestressed concrete stringer/multi-beam or girder carrying SR85 Eglin Parkway over Cinco Bayou in Okaloosa County, Florida. It was built in 1958 and reconstructed in 1988, so it is 67 years old, older than the Florida average of 41.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 52,000 vehicles a day, roughly 7% of them trucks, projected to reach 90,220 by 2044. The structure is 1,056 ft (321.9 m) long and 101 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSR85 Eglin Parkway
CrossesCinco Bayou
Location1.8 Miles N. of US98
RouteState Highway 85
StateFlorida
Coordinates30.42665, -86.60782
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating59 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans16
Design loadHS 20 + Mod
Structure length1,056 ft (321.9 m)
Longest span66 ft (20.1 m)
Deck width101 ft (30.8 m)
Roadway width84 ft (25.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic52,000 (2022)
Projected traffic90,220 by 2044
Trucks7%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkSTRAHNET connector

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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was SR85 Eglin Parkway over Cinco Bayou built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1988.

What condition is SR85 Eglin Parkway over Cinco Bayou in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2024.

How much traffic does SR85 Eglin Parkway over Cinco Bayou carry?

About 52,000 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is SR85 Eglin Parkway over Cinco Bayou?

The structure is 1,056 ft (321.9 m) long with a longest span of 66 ft (20.1 m) and a deck 101 ft wide.

Who owns SR85 Eglin Parkway over Cinco Bayou?

It is owned by the State Highway Agency.