US Bridges

Norman Riley RD over Kelly Spring Branch

Fair

Santa Rosa County, Florida · 4.5 MI South of FL-4 · Structure no. 580813

Built
1999
26 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
75 ft
3 main spans
Daily traffic
100
2024 count
Owner
State
State Park, Forest, or Reservation Agency

About this bridge

Norman Riley RD over Kelly Spring Branch is a steel continuous stringer/multi-beam or girder carrying Norman Riley RD over Kelly Spring Branch in Santa Rosa 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 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 100 vehicles a day, projected to reach 174 by 2046. The structure is 75 ft (22.9 m) long and 24 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesNorman Riley RD
CrossesKelly Spring Branch
Location4.5 MI South of FL-4
RouteState Lands Road 0
CountySanta Rosa County
StateFlorida
Coordinates30.79053, -86.79294
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.4 US tons
Inventory rating24.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckWood or timber
Main spans3
Design loadUnknown
Structure length75 ft (22.9 m)
Longest span24 ft (7.3 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic174 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Park, Forest, or Reservation Agency
Maintained byState Park, Forest, or Reservation 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 Norman Riley RD over Kelly Spring Branch built?

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

What condition is Norman Riley RD over Kelly Spring Branch 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 May 2024.

How much traffic does Norman Riley RD over Kelly Spring Branch carry?

About 100 vehicles per day (2024 count).

How long is Norman Riley RD over Kelly Spring Branch?

The structure is 75 ft (22.9 m) long with a longest span of 24 ft (7.3 m) and a deck 24 ft wide.

Who owns Norman Riley RD over Kelly Spring Branch?

It is owned by the State Park, Forest, or Reservation Agency.