US Bridges

College Blvd over Roberts Lake Dam

Poor

Okaloosa County, Florida · 0.5 MI West of HWY 285 · Structure no. 574131

Built
1997
28 years old
Condition
Poor
inspected December 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
9,700
2024 count
Owner
County
County Highway Agency

About this bridge

College Blvd over Roberts Lake Dam is a concrete culvert carrying College Blvd over Roberts Lake Dam in Okaloosa County, Florida. It was built in 1997, so it is 28 years old, younger than the Florida average of 41.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 9,700 vehicles a day, roughly 5% of them trucks, projected to reach 16,830 by 2046. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesCollege Blvd
CrossesRoberts Lake Dam
Location0.5 MI West of HWY 285
RouteCounty Highway 0
CountyOkaloosa County
StateFlorida
Coordinates30.53463, -86.4677
Functional classUrban Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection9 ExcellentNo problems noted.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be 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 rating74.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length21 ft (6.3 m)
Longest span10 ft (3.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,700 (2024)
Projected traffic16,830 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 College Blvd over Roberts Lake Dam built?

It was built in 1997, making it 28 years old in 2025.

What condition is College Blvd over Roberts Lake Dam in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2024.

How much traffic does College Blvd over Roberts Lake Dam carry?

About 9,700 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is College Blvd over Roberts Lake Dam?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3.1 m).

Who owns College Blvd over Roberts Lake Dam?

It is owned by the County Highway Agency.