US Bridges

CR 602 over Mill Creek

Fair

Okaloosa County, Florida · 0.6 MI N of HWY 2 · Structure no. 570035

Built
1994
31 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
25 ft
3 main spans
Daily traffic
300
2023 count
Owner
County
County Highway Agency

About this bridge

CR 602 over Mill Creek is a concrete culvert carrying CR 602 over Mill Creek in Okaloosa County, Florida. It was built in 1994, so it is 31 years old, younger 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 300 vehicles a day, roughly 2% of them trucks, projected to reach 521 by 2042. The structure is 25 ft (7.7 m) long. If it were closed, the detour would be 5.6 mi (9 km).

Location

Open in Google Maps
CarriesCR 602
CrossesMill Creek
Location0.6 MI N of HWY 2
RouteCounty Highway 602
CountyOkaloosa County
StateFlorida
Coordinates30.93158, -86.54256
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating82 US tons
Inventory rating63.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length25 ft (7.7 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2023)
Projected traffic521 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 km)
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 602 over Mill Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is CR 602 over Mill Creek 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 April 2023.

How much traffic does CR 602 over Mill Creek carry?

About 300 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is CR 602 over Mill Creek?

The structure is 25 ft (7.7 m) long with a longest span of 9 ft (2.7 m).

Who owns CR 602 over Mill Creek?

It is owned by the County Highway Agency.