US Bridges

State Line Road over Boggy Hollow Creek

Poor

Okaloosa County, Florida · 0.15 Mi. East of CR-180 · Structure no. 574139

Built
1999
26 years old
Condition
Poor
inspected May 2023
Type
Channel Beam
Concrete
Length
102 ft
3 main spans
Daily traffic
75
2024 count
Owner
County
County Highway Agency

About this bridge

State Line Road over Boggy Hollow Creek is a concrete channel beam carrying State Line Road over Boggy Hollow 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 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 75 vehicles a day, projected to reach 130 by 2046. The structure is 102 ft (31.1 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesState Line Road
CrossesBoggy Hollow Creek
Location0.15 Mi. East of CR-180
RouteCounty Highway 0
StateFlorida
Coordinates30.99227, -86.70551
Functional classRural Local

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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating88 US tons
Inventory rating53 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length102 ft (31.1 m)
Longest span34 ft (10.4 m)
Deck width27 ft (8.3 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2024)
Projected traffic130 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 State Line Road over Boggy Hollow Creek built?

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

What condition is State Line Road over Boggy Hollow Creek 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 May 2023.

How much traffic does State Line Road over Boggy Hollow Creek carry?

About 75 vehicles per day (2024 count).

How long is State Line Road over Boggy Hollow Creek?

The structure is 102 ft (31.1 m) long with a longest span of 34 ft (10.4 m) and a deck 27 ft wide.

Who owns State Line Road over Boggy Hollow Creek?

It is owned by the County Highway Agency.