US Bridges

Riley Barnhill RD over Narrows Creek

Fair

Okaloosa County, Florida · 1.6 MI West of SR 189 · Structure no. 574152

Built
2007
18 years old
Condition
Fair
inspected August 2023
Type
Channel Beam
Concrete
Length
68 ft
2 main spans
Daily traffic
101
2023 count
Owner
County
County Highway Agency

About this bridge

Riley Barnhill RD over Narrows Creek is a concrete channel beam carrying Riley Barnhill RD over Narrows Creek in Okaloosa County, Florida. It was built in 2007, so it is 18 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 6 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 101 vehicles a day, roughly 1% of them trucks, projected to reach 175 by 2042. The structure is 68 ft (20.7 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesRiley Barnhill RD
CrossesNarrows Creek
Location1.6 MI West of SR 189
RouteCounty Highway 0
CountyOkaloosa County
StateFlorida
Coordinates30.86127, -86.70019
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to 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 alignment6: Equal to present minimum criteria
Operating rating87 US tons
Inventory rating52 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length68 ft (20.7 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 traffic101 (2023)
Projected traffic175 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Riley Barnhill RD over Narrows Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is Riley Barnhill RD over Narrows 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 August 2023.

How much traffic does Riley Barnhill RD over Narrows Creek carry?

About 101 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Riley Barnhill RD over Narrows Creek?

The structure is 68 ft (20.7 m) long with a longest span of 34 ft (10.4 m) and a deck 27 ft wide.

Who owns Riley Barnhill RD over Narrows Creek?

It is owned by the County Highway Agency.