US Bridges

Norman Riley RD over Kelly Spring Branch

Fair

Santa Rosa County, Florida · 0.67MI W of Old Martin RD · Structure no. 580805

Built
1991
34 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
23 ft
2 main spans
Daily traffic
50
2024 count
Owner
State
State Park, Forest, or Reservation Agency

About this bridge

Norman Riley RD over Kelly Spring Branch is a wood or timber stringer/multi-beam or girder carrying Norman Riley RD over Kelly Spring Branch in Santa Rosa County, Florida. It was built in 1991, so it is 34 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 50 vehicles a day, projected to reach 87 by 2042. The structure is 23 ft (7 m) long and 12 ft wide. If it were closed, the detour would be 100 mi (161 km).

Location

Open in Google Maps
CarriesNorman Riley RD
CrossesKelly Spring Branch
Location0.67MI W of Old Martin RD
RouteState Lands Road 0
CountySanta Rosa County
StateFlorida
Coordinates30.81814, -86.80553
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37 US tons
Inventory rating27 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadUnknown
Structure length23 ft (7 m)
Longest span12 ft (3.6 m)
Deck width12 ft (3.7 m)
Roadway width12 ft (3.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic87 by 2042
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed100 mi (161 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 1991, making it 34 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 November 2024.

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

About 50 vehicles per day (2024 count).

How long is Norman Riley RD over Kelly Spring Branch?

The structure is 23 ft (7 m) long with a longest span of 12 ft (3.6 m) and a deck 12 ft wide.

Who owns Norman Riley RD over Kelly Spring Branch?

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