US Bridges

SR-688/ULMERTON RD over Long Branch Canal

Good

Pinellas County, Florida · 0.6 MI East of Alt US-19 · Structure no. 150070

Built
1962
63 years old, rebuilt 2015
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
44 ft
4 main spans
Daily traffic
62,500
2024 count
Owner
State
State Highway Agency

About this bridge

SR-688/ULMERTON RD over Long Branch Canal is a concrete culvert carrying SR-688/ULMERTON RD over Long Branch Canal in Pinellas County, Florida. It was built in 1962 and reconstructed in 2015, so it is 63 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 62,500 vehicles a day, roughly 6% of them trucks, projected to reach 108,438 by 2044. The structure is 44 ft (13.5 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSR-688/ULMERTON RD
CrossesLong Branch Canal
Location0.6 MI East of Alt US-19
RouteState Highway 688
StateFlorida
Coordinates27.89465, -82.77667
Functional classUrban Other Principal 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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating37.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHL 93
Structure length44 ft (13.5 m)
Longest span10 ft (3.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic62,500 (2024)
Projected traffic108,438 by 2044
Trucks6%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

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 SR-688/ULMERTON RD over Long Branch Canal built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2015.

What condition is SR-688/ULMERTON RD over Long Branch Canal 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 March 2024.

How much traffic does SR-688/ULMERTON RD over Long Branch Canal carry?

About 62,500 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is SR-688/ULMERTON RD over Long Branch Canal?

The structure is 44 ft (13.5 m) long with a longest span of 10 ft (3.2 m).

Who owns SR-688/ULMERTON RD over Long Branch Canal?

It is owned by the State Highway Agency.