US Bridges

SR20 over Gum Creek

Good

Leon County, Florida · 1.0MI S of SR10 US90 · Structure no. 550163

Built
2015
10 years old
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
107 ft
1 main span
Daily traffic
6,900
2022 count
Owner
State
State Highway Agency

About this bridge

SR20 over Gum Creek is a prestressed concrete stringer/multi-beam or girder carrying SR20 over Gum Creek in Leon County, Florida. It was built in 2015, so it is 10 years old, younger 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 6,900 vehicles a day, roughly 7% of them trucks, projected to reach 11,972 by 2044. The structure is 107 ft (32.6 m) long and 59 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSR20
CrossesGum Creek
Location1.0MI S of SR10 US90
RouteState Highway 20
StateFlorida
Coordinates30.44228, -84.34781
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.7 US tons
Inventory rating41.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length107 ft (32.6 m)
Longest span107 ft (32.6 m)
Deck width59 ft (18 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,900 (2022)
Projected traffic11,972 by 2044
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 SR20 over Gum Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is SR20 over Gum 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 February 2025.

How much traffic does SR20 over Gum Creek carry?

About 6,900 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is SR20 over Gum Creek?

The structure is 107 ft (32.6 m) long with a longest span of 107 ft (32.6 m) and a deck 59 ft wide.

Who owns SR20 over Gum Creek?

It is owned by the State Highway Agency.