US Bridges

County Line Road over Unnamed Branch

Good

Okaloosa County, Florida · 0.9 MI South of SR 85 · Structure no. 574120

Built
1992
33 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
30 ft
2 main spans
Daily traffic
25
2025 count
Owner
County
County Highway Agency

About this bridge

County Line Road over Unnamed Branch is a wood or timber stringer/multi-beam or girder carrying County Line Road over Unnamed Branch in Okaloosa County, Florida. It was built in 1992, so it is 33 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 25 vehicles a day, projected to reach 43 by 2047. The structure is 30 ft (9.2 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Line Road
CrossesUnnamed Branch
Location0.9 MI South of SR 85
RouteCounty Highway 0
CountyOkaloosa County
StateFlorida
Coordinates30.95301, -86.38875
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 inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43 US tons
Inventory rating32 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadUnknown
Structure length30 ft (9.2 m)
Longest span15 ft (4.7 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2025)
Projected traffic43 by 2047
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 County Line Road over Unnamed Branch built?

It was built in 1992, making it 33 years old in 2025.

What condition is County Line Road over Unnamed Branch 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 January 2024.

How much traffic does County Line Road over Unnamed Branch carry?

About 25 vehicles per day (2025 count).

How long is County Line Road over Unnamed Branch?

The structure is 30 ft (9.2 m) long with a longest span of 15 ft (4.7 m) and a deck 24 ft wide.

Who owns County Line Road over Unnamed Branch?

It is owned by the County Highway Agency.