US Bridges

SR373 over St. Marks Trail

Good

Leon County, Florida · 1.0 Miles W. of SR363 · Structure no. 550171

Built
2014
11 years old
Condition
Good
inspected June 2023
Type
Slab
Prestressed Concrete
Length
57 ft
1 main span
Daily traffic
19,700
2022 count
Owner
State
State Highway Agency

About this bridge

SR373 over St. Marks Trail is a prestressed concrete slab carrying SR373 over St. Marks Trail in Leon County, Florida. It was built in 2014, so it is 11 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 19,700 vehicles a day, roughly 5% of them trucks, projected to reach 34,180 by 2044. The structure is 57 ft (17.5 m) long and 43 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSR373
CrossesSt. Marks Trail
Location1.0 Miles W. of SR363
RouteState Highway 373
StateFlorida
Coordinates30.41253, -84.29869
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.8 US tons
Inventory rating44.6 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length57 ft (17.5 m)
Longest span57 ft (17.5 m)
Deck width43 ft (13.2 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,700 (2022)
Projected traffic34,180 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesPedestrian / bicycle
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR373 over St. Marks Trail built?

It was built in 2014, making it 11 years old in 2025.

What condition is SR373 over St. Marks Trail 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 2023.

How much traffic does SR373 over St. Marks Trail carry?

About 19,700 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is SR373 over St. Marks Trail?

The structure is 57 ft (17.5 m) long with a longest span of 57 ft (17.5 m) and a deck 43 ft wide.

Who owns SR373 over St. Marks Trail?

It is owned by the State Highway Agency.