US Bridges

Red Rock Road over Maria Branch

Fair

Santa Rosa County, Florida · 1.9 MI E of Munson HWY · Structure no. 584163

Built
1995
30 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
31 ft
3 main spans
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

Red Rock Road over Maria Branch is a wood or timber stringer/multi-beam or girder carrying Red Rock Road over Maria Branch in Santa Rosa County, Florida. It was built in 1995, so it is 30 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 5 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 31 ft (9.4 m) long and 24 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesRed Rock Road
CrossesMaria Branch
Location1.9 MI E of Munson HWY
RouteCounty Highway 0
StateFlorida
Coordinates30.77539, -86.91205
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating33.5 US tons
Inventory rating25.9 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span10 ft (3.2 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic87 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 Red Rock Road over Maria Branch built?

It was built in 1995, making it 30 years old in 2025.

What condition is Red Rock Road over Maria 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 September 2023.

How much traffic does Red Rock Road over Maria Branch carry?

About 50 vehicles per day (2023 count).

How long is Red Rock Road over Maria Branch?

The structure is 31 ft (9.4 m) long with a longest span of 10 ft (3.2 m) and a deck 24 ft wide.

Who owns Red Rock Road over Maria Branch?

It is owned by the County Highway Agency.