US Bridges

SR4 over Manning Creek

Good

Santa Rosa County, Florida · 0.9 East of SR87 · Structure no. 580036

Built
1956
69 years old, rebuilt 1999
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
1,730
2023 count
Owner
State
State Highway Agency

About this bridge

SR4 over Manning Creek is a concrete culvert carrying SR4 over Manning Creek in Santa Rosa County, Florida. It was built in 1956 and reconstructed in 1999, so it is 69 years old, older than the Florida average of 41.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,730 vehicles a day, roughly 21% of them trucks, projected to reach 2,993 by 2044. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 28 mi (45 km).

CarriesSR4
CrossesManning Creek
Location0.9 East of SR87
RouteState Highway 4
StateFlorida
Coordinates30.8995, -87.02225
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,730 (2023)
Projected traffic2,993 by 2044
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR4 over Manning Creek built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1999.

What condition is SR4 over Manning Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does SR4 over Manning Creek carry?

About 1,730 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is SR4 over Manning Creek?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m).

Who owns SR4 over Manning Creek?

It is owned by the State Highway Agency.